16347980

素因数分解:

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

素因数の和:3950

約数の個数: 48

約数和(自身を含む): 39432960

約数和(自身を除く): 23084980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3911, 4180, 7822, 15644, 19555, 39110, 43021, 74309, 78220, 86042, 148618, 172084, 215105, 297236, 371545, 430210, 743090, 817399, 860420, 1486180, 1634798, 3269596, 4086995, 8173990, 16347980]

約数ペア:

[(1, 16347980), (2, 8173990), (4, 4086995), (5, 3269596), (10, 1634798), (11, 1486180), (19, 860420), (20, 817399), (22, 743090), (38, 430210), (44, 371545), (55, 297236), (76, 215105), (95, 172084), (110, 148618), (190, 86042), (209, 78220), (220, 74309), (380, 43021), (418, 39110), (836, 19555), (1045, 15644), (2090, 7822), (3911, 4180)]