18953681188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{34651}}^1$

素因数の和:34892

約数の個数: 48

約数和(自身を含む): 36485506624

約数和(自身を除く): 17531825436

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 157, 268, 314, 628, 871, 1742, 2041, 3484, 4082, 8164, 10519, 21038, 34651, 42076, 69302, 136747, 138604, 273494, 450463, 546988, 900926, 1801852, 2321617, 4643234, 5440207, 9286468, 10880414, 21760828, 30181021, 60362042, 70722691, 120724084, 141445382, 282890764, 364493869, 728987738, 1457975476, 4738420297, 9476840594, 18953681188]

約数ペア:

[(1, 18953681188), (2, 9476840594), (4, 4738420297), (13, 1457975476), (26, 728987738), (52, 364493869), (67, 282890764), (134, 141445382), (157, 120724084), (268, 70722691), (314, 60362042), (628, 30181021), (871, 21760828), (1742, 10880414), (2041, 9286468), (3484, 5440207), (4082, 4643234), (8164, 2321617), (10519, 1801852), (21038, 900926), (34651, 546988), (42076, 450463), (69302, 273494), (136747, 138604)]