19524520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3109}}^1$

素因数の和:3277

約数の個数: 32

約数和(自身を含む): 44224200

約数和(自身を除く): 24699680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3109, 3140, 6218, 6280, 12436, 15545, 24872, 31090, 62180, 124360, 488113, 976226, 1952452, 2440565, 3904904, 4881130, 9762260, 19524520]

約数ペア:

[(1, 19524520), (2, 9762260), (4, 4881130), (5, 3904904), (8, 2440565), (10, 1952452), (20, 976226), (40, 488113), (157, 124360), (314, 62180), (628, 31090), (785, 24872), (1256, 15545), (1570, 12436), (3109, 6280), (3140, 6218)]