19000207980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{18329}}^1$

素因数の和:18800

約数の個数: 144

約数和(自身を含む): 62210846880

約数和(自身を除く): 43210638900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 443, 468, 585, 780, 886, 1170, 1329, 1772, 2215, 2340, 2658, 3987, 4430, 5316, 5759, 6645, 7974, 8860, 11518, 13290, 15948, 17277, 18329, 19935, 23036, 26580, 28795, 34554, 36658, 39870, 51831, 54987, 57590, 69108, 73316, 79740, 86385, 91645, 103662, 109974, 115180, 164961, 172770, 183290, 207324, 219948, 238277, 259155, 274935, 329922, 345540, 366580, 476554, 518310, 549870, 659844, 714831, 824805, 953108, 1036620, 1099740, 1191385, 1429662, 1649610, 2144493, 2382770, 2859324, 3299220, 3574155, 4288986, 4765540, 7148310, 8119747, 8577972, 10722465, 14296620, 16239494, 21444930, 24359241, 32478988, 40598735, 42889860, 48718482, 73077723, 81197470, 97436964, 105556711, 121796205, 146155446, 162394940, 211113422, 243592410, 292310892, 316670133, 365388615, 422226844, 487184820, 527783555, 633340266, 730777230, 950010399, 1055567110, 1266680532, 1461554460, 1583350665, 1900020798, 2111134220, 3166701330, 3800041596, 4750051995, 6333402660, 9500103990, 19000207980]

約数ペア:

[(1, 19000207980), (2, 9500103990), (3, 6333402660), (4, 4750051995), (5, 3800041596), (6, 3166701330), (9, 2111134220), (10, 1900020798), (12, 1583350665), (13, 1461554460), (15, 1266680532), (18, 1055567110), (20, 950010399), (26, 730777230), (30, 633340266), (36, 527783555), (39, 487184820), (45, 422226844), (52, 365388615), (60, 316670133), (65, 292310892), (78, 243592410), (90, 211113422), (117, 162394940), (130, 146155446), (156, 121796205), (180, 105556711), (195, 97436964), (234, 81197470), (260, 73077723), (390, 48718482), (443, 42889860), (468, 40598735), (585, 32478988), (780, 24359241), (886, 21444930), (1170, 16239494), (1329, 14296620), (1772, 10722465), (2215, 8577972), (2340, 8119747), (2658, 7148310), (3987, 4765540), (4430, 4288986), (5316, 3574155), (5759, 3299220), (6645, 2859324), (7974, 2382770), (8860, 2144493), (11518, 1649610), (13290, 1429662), (15948, 1191385), (17277, 1099740), (18329, 1036620), (19935, 953108), (23036, 824805), (26580, 714831), (28795, 659844), (34554, 549870), (36658, 518310), (39870, 476554), (51831, 366580), (54987, 345540), (57590, 329922), (69108, 274935), (73316, 259155), (79740, 238277), (86385, 219948), (91645, 207324), (103662, 183290), (109974, 172770), (115180, 164961)]