18690680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24593}}^1$

素因数の和:24623

約数の個数: 32

約数和(自身を含む): 44269200

約数和(自身を除く): 25578520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24593, 49186, 98372, 122965, 196744, 245930, 467267, 491860, 934534, 983720, 1869068, 2336335, 3738136, 4672670, 9345340, 18690680]

約数ペア:

[(1, 18690680), (2, 9345340), (4, 4672670), (5, 3738136), (8, 2336335), (10, 1869068), (19, 983720), (20, 934534), (38, 491860), (40, 467267), (76, 245930), (95, 196744), (152, 122965), (190, 98372), (380, 49186), (760, 24593)]