8173990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3948

約数の個数: 32

約数和(自身を含む): 16899840

約数和(自身を除く): 8725850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 3911, 7822, 19555, 39110, 43021, 74309, 86042, 148618, 215105, 371545, 430210, 743090, 817399, 1634798, 4086995, 8173990]

約数ペア:

[(1, 8173990), (2, 4086995), (5, 1634798), (10, 817399), (11, 743090), (19, 430210), (22, 371545), (38, 215105), (55, 148618), (95, 86042), (110, 74309), (190, 43021), (209, 39110), (418, 19555), (1045, 7822), (2090, 3911)]