19875992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1447}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 39877920

約数和(自身を除く): 20001928

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1447, 1717, 2894, 3434, 5788, 6868, 11576, 13736, 24599, 49198, 98396, 146147, 196792, 292294, 584588, 1169176, 2484499, 4968998, 9937996, 19875992]

約数ペア:

[(1, 19875992), (2, 9937996), (4, 4968998), (8, 2484499), (17, 1169176), (34, 584588), (68, 292294), (101, 196792), (136, 146147), (202, 98396), (404, 49198), (808, 24599), (1447, 13736), (1717, 11576), (2894, 6868), (3434, 5788)]