19674860

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1213}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 41402256

約数和(自身を除く): 21727396

約数列:

[1, 2, 4, 5, 10, 20, 811, 1213, 1622, 2426, 3244, 4055, 4852, 6065, 8110, 12130, 16220, 24260, 983743, 1967486, 3934972, 4918715, 9837430, 19674860]

約数ペア:

[(1, 19674860), (2, 9837430), (4, 4918715), (5, 3934972), (10, 1967486), (20, 983743), (811, 24260), (1213, 16220), (1622, 12130), (2426, 8110), (3244, 6065), (4055, 4852)]