19191796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2477}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 36426600

約数和(自身を除く): 17234804

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2477, 3874, 4954, 7748, 9908, 32201, 64402, 128804, 369073, 738146, 1476292, 4797949, 9595898, 19191796]

約数ペア:

[(1, 19191796), (2, 9595898), (4, 4797949), (13, 1476292), (26, 738146), (52, 369073), (149, 128804), (298, 64402), (596, 32201), (1937, 9908), (2477, 7748), (3874, 4954)]