17885820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{971}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 32409348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 971, 1228, 1535, 1842, 1942, 2913, 3070, 3684, 3884, 4605, 4855, 5826, 6140, 9210, 9710, 11652, 14565, 18420, 19420, 29130, 58260, 298097, 596194, 894291, 1192388, 1490485, 1788582, 2980970, 3577164, 4471455, 5961940, 8942910, 17885820]

約数ペア:

[(1, 17885820), (2, 8942910), (3, 5961940), (4, 4471455), (5, 3577164), (6, 2980970), (10, 1788582), (12, 1490485), (15, 1192388), (20, 894291), (30, 596194), (60, 298097), (307, 58260), (614, 29130), (921, 19420), (971, 18420), (1228, 14565), (1535, 11652), (1842, 9710), (1942, 9210), (2913, 6140), (3070, 5826), (3684, 4855), (3884, 4605)]