19799220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 49873740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 47, 51, 59, 60, 68, 70, 84, 85, 94, 102, 105, 118, 119, 140, 141, 170, 177, 188, 204, 210, 235, 236, 238, 255, 282, 295, 329, 340, 354, 357, 413, 420, 470, 476, 510, 564, 590, 595, 658, 705, 708, 714, 799, 826, 885, 940, 987, 1003, 1020, 1180, 1190, 1239, 1316, 1410, 1428, 1598, 1645, 1652, 1770, 1785, 1974, 2006, 2065, 2380, 2397, 2478, 2773, 2820, 3009, 3196, 3290, 3540, 3570, 3948, 3995, 4012, 4130, 4794, 4935, 4956, 5015, 5546, 5593, 6018, 6195, 6580, 7021, 7140, 7990, 8260, 8319, 9588, 9870, 10030, 11092, 11186, 11985, 12036, 12390, 13865, 14042, 15045, 15980, 16638, 16779, 19411, 19740, 20060, 21063, 22372, 23970, 24780, 27730, 27965, 28084, 30090, 33276, 33558, 35105, 38822, 41595, 42126, 47141, 47940, 55460, 55930, 58233, 60180, 67116, 70210, 77644, 83190, 83895, 84252, 94282, 97055, 105315, 111860, 116466, 140420, 141423, 166380, 167790, 188564, 194110, 210630, 232932, 235705, 282846, 291165, 329987, 335580, 388220, 421260, 471410, 565692, 582330, 659974, 707115, 942820, 989961, 1164660, 1319948, 1414230, 1649935, 1979922, 2828460, 3299870, 3959844, 4949805, 6599740, 9899610, 19799220]

約数ペア:

[(1, 19799220), (2, 9899610), (3, 6599740), (4, 4949805), (5, 3959844), (6, 3299870), (7, 2828460), (10, 1979922), (12, 1649935), (14, 1414230), (15, 1319948), (17, 1164660), (20, 989961), (21, 942820), (28, 707115), (30, 659974), (34, 582330), (35, 565692), (42, 471410), (47, 421260), (51, 388220), (59, 335580), (60, 329987), (68, 291165), (70, 282846), (84, 235705), (85, 232932), (94, 210630), (102, 194110), (105, 188564), (118, 167790), (119, 166380), (140, 141423), (141, 140420), (170, 116466), (177, 111860), (188, 105315), (204, 97055), (210, 94282), (235, 84252), (236, 83895), (238, 83190), (255, 77644), (282, 70210), (295, 67116), (329, 60180), (340, 58233), (354, 55930), (357, 55460), (413, 47940), (420, 47141), (470, 42126), (476, 41595), (510, 38822), (564, 35105), (590, 33558), (595, 33276), (658, 30090), (705, 28084), (708, 27965), (714, 27730), (799, 24780), (826, 23970), (885, 22372), (940, 21063), (987, 20060), (1003, 19740), (1020, 19411), (1180, 16779), (1190, 16638), (1239, 15980), (1316, 15045), (1410, 14042), (1428, 13865), (1598, 12390), (1645, 12036), (1652, 11985), (1770, 11186), (1785, 11092), (1974, 10030), (2006, 9870), (2065, 9588), (2380, 8319), (2397, 8260), (2478, 7990), (2773, 7140), (2820, 7021), (3009, 6580), (3196, 6195), (3290, 6018), (3540, 5593), (3570, 5546), (3948, 5015), (3995, 4956), (4012, 4935), (4130, 4794)]