19942650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 144

約数和(自身を含む): 66079104

約数和(自身を除く): 46136454

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 30, 35, 39, 42, 45, 50, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 150, 175, 182, 195, 210, 225, 234, 273, 315, 325, 350, 390, 450, 455, 487, 525, 546, 585, 630, 650, 819, 910, 974, 975, 1050, 1170, 1365, 1461, 1575, 1638, 1950, 2275, 2435, 2730, 2922, 2925, 3150, 3409, 4095, 4383, 4550, 4870, 5850, 6331, 6818, 6825, 7305, 8190, 8766, 10227, 12175, 12662, 13650, 14610, 17045, 18993, 20454, 20475, 21915, 24350, 30681, 31655, 34090, 36525, 37986, 40950, 43830, 44317, 51135, 56979, 61362, 63310, 73050, 85225, 88634, 94965, 102270, 109575, 113958, 132951, 153405, 158275, 170450, 189930, 219150, 221585, 255675, 265902, 284895, 306810, 316550, 398853, 443170, 474825, 511350, 569790, 664755, 767025, 797706, 949650, 1107925, 1329510, 1424475, 1534050, 1994265, 2215850, 2848950, 3323775, 3988530, 6647550, 9971325, 19942650]

約数ペア:

[(1, 19942650), (2, 9971325), (3, 6647550), (5, 3988530), (6, 3323775), (7, 2848950), (9, 2215850), (10, 1994265), (13, 1534050), (14, 1424475), (15, 1329510), (18, 1107925), (21, 949650), (25, 797706), (26, 767025), (30, 664755), (35, 569790), (39, 511350), (42, 474825), (45, 443170), (50, 398853), (63, 316550), (65, 306810), (70, 284895), (75, 265902), (78, 255675), (90, 221585), (91, 219150), (105, 189930), (117, 170450), (126, 158275), (130, 153405), (150, 132951), (175, 113958), (182, 109575), (195, 102270), (210, 94965), (225, 88634), (234, 85225), (273, 73050), (315, 63310), (325, 61362), (350, 56979), (390, 51135), (450, 44317), (455, 43830), (487, 40950), (525, 37986), (546, 36525), (585, 34090), (630, 31655), (650, 30681), (819, 24350), (910, 21915), (974, 20475), (975, 20454), (1050, 18993), (1170, 17045), (1365, 14610), (1461, 13650), (1575, 12662), (1638, 12175), (1950, 10227), (2275, 8766), (2435, 8190), (2730, 7305), (2922, 6825), (2925, 6818), (3150, 6331), (3409, 5850), (4095, 4870), (4383, 4550)]