19316420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56813}}^1$

素因数の和:56839

約数の個数: 24

約数和(自身を含む): 42951384

約数和(自身を除く): 23634964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56813, 113626, 227252, 284065, 568130, 965821, 1136260, 1931642, 3863284, 4829105, 9658210, 19316420]

約数ペア:

[(1, 19316420), (2, 9658210), (4, 4829105), (5, 3863284), (10, 1931642), (17, 1136260), (20, 965821), (34, 568130), (68, 284065), (85, 227252), (170, 113626), (340, 56813)]