17921468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 34298040

約数和(自身を除く): 16376572

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 289, 419, 578, 629, 838, 1156, 1258, 1676, 2516, 7123, 10693, 14246, 15503, 21386, 28492, 31006, 42772, 62012, 121091, 242182, 263551, 484364, 527102, 1054204, 4480367, 8960734, 17921468]

約数ペア:

[(1, 17921468), (2, 8960734), (4, 4480367), (17, 1054204), (34, 527102), (37, 484364), (68, 263551), (74, 242182), (148, 121091), (289, 62012), (419, 42772), (578, 31006), (629, 28492), (838, 21386), (1156, 15503), (1258, 14246), (1676, 10693), (2516, 7123)]