18409898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 13342102

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 247, 449, 494, 898, 1079, 1577, 2158, 3154, 5837, 8531, 11674, 17062, 20501, 37267, 41002, 74534, 110903, 221806, 484471, 708073, 968942, 1416146, 9204949, 18409898]

約数ペア:

[(1, 18409898), (2, 9204949), (13, 1416146), (19, 968942), (26, 708073), (38, 484471), (83, 221806), (166, 110903), (247, 74534), (449, 41002), (494, 37267), (898, 20501), (1079, 17062), (1577, 11674), (2158, 8531), (3154, 5837)]