12011990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 22947840

約数和(自身を除く): 10935850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 331, 382, 662, 955, 1655, 1910, 3310, 3629, 6289, 7258, 12578, 18145, 31445, 36290, 62890, 63221, 126442, 316105, 632210, 1201199, 2402398, 6005995, 12011990]

約数ペア:

[(1, 12011990), (2, 6005995), (5, 2402398), (10, 1201199), (19, 632210), (38, 316105), (95, 126442), (190, 63221), (191, 62890), (331, 36290), (382, 31445), (662, 18145), (955, 12578), (1655, 7258), (1910, 6289), (3310, 3629)]