17891380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68813}}^1$

素因数の和:68835

約数の個数: 24

約数和(自身を含む): 40462632

約数和(自身を除く): 22571252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68813, 137626, 275252, 344065, 688130, 894569, 1376260, 1789138, 3578276, 4472845, 8945690, 17891380]

約数ペア:

[(1, 17891380), (2, 8945690), (4, 4472845), (5, 3578276), (10, 1789138), (13, 1376260), (20, 894569), (26, 688130), (52, 344065), (65, 275252), (130, 137626), (260, 68813)]