19425640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37357}}^1$

素因数の和:37381

約数の個数: 32

約数和(自身を含む): 47071080

約数和(自身を除く): 27645440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37357, 74714, 149428, 186785, 298856, 373570, 485641, 747140, 971282, 1494280, 1942564, 2428205, 3885128, 4856410, 9712820, 19425640]

約数ペア:

[(1, 19425640), (2, 9712820), (4, 4856410), (5, 3885128), (8, 2428205), (10, 1942564), (13, 1494280), (20, 971282), (26, 747140), (40, 485641), (52, 373570), (65, 298856), (104, 186785), (130, 149428), (260, 74714), (520, 37357)]