19700382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26022498

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 83, 102, 166, 179, 221, 249, 358, 442, 498, 537, 663, 1074, 1079, 1326, 1411, 2158, 2327, 2822, 3043, 3237, 4233, 4654, 6086, 6474, 6981, 8466, 9129, 13962, 14857, 18258, 18343, 29714, 36686, 39559, 44571, 55029, 79118, 89142, 110058, 118677, 193141, 237354, 252569, 386282, 505138, 579423, 757707, 1158846, 1515414, 3283397, 6566794, 9850191, 19700382]

約数ペア:

[(1, 19700382), (2, 9850191), (3, 6566794), (6, 3283397), (13, 1515414), (17, 1158846), (26, 757707), (34, 579423), (39, 505138), (51, 386282), (78, 252569), (83, 237354), (102, 193141), (166, 118677), (179, 110058), (221, 89142), (249, 79118), (358, 55029), (442, 44571), (498, 39559), (537, 36686), (663, 29714), (1074, 18343), (1079, 18258), (1326, 14857), (1411, 13962), (2158, 9129), (2327, 8466), (2822, 6981), (3043, 6474), (3237, 6086), (4233, 4654)]