17978554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 31772736

約数和(自身を除く): 13794182

約数列:

[1, 2, 11, 17, 22, 34, 53, 106, 187, 374, 583, 901, 907, 1166, 1802, 1814, 9911, 9977, 15419, 19822, 19954, 30838, 48071, 96142, 169609, 339218, 528781, 817207, 1057562, 1634414, 8989277, 17978554]

約数ペア:

[(1, 17978554), (2, 8989277), (11, 1634414), (17, 1057562), (22, 817207), (34, 528781), (53, 339218), (106, 169609), (187, 96142), (374, 48071), (583, 30838), (901, 19954), (907, 19822), (1166, 15419), (1802, 9977), (1814, 9911)]