18864660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^2$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 54462240

約数和(自身を除く): 35597580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 73, 118, 146, 177, 219, 236, 292, 295, 354, 365, 438, 590, 708, 730, 876, 885, 1095, 1180, 1460, 1770, 2190, 3540, 4307, 4380, 5329, 8614, 10658, 12921, 15987, 17228, 21316, 21535, 25842, 26645, 31974, 43070, 51684, 53290, 63948, 64605, 79935, 86140, 106580, 129210, 159870, 258420, 314411, 319740, 628822, 943233, 1257644, 1572055, 1886466, 3144110, 3772932, 4716165, 6288220, 9432330, 18864660]

約数ペア:

[(1, 18864660), (2, 9432330), (3, 6288220), (4, 4716165), (5, 3772932), (6, 3144110), (10, 1886466), (12, 1572055), (15, 1257644), (20, 943233), (30, 628822), (59, 319740), (60, 314411), (73, 258420), (118, 159870), (146, 129210), (177, 106580), (219, 86140), (236, 79935), (292, 64605), (295, 63948), (354, 53290), (365, 51684), (438, 43070), (590, 31974), (708, 26645), (730, 25842), (876, 21535), (885, 21316), (1095, 17228), (1180, 15987), (1460, 12921), (1770, 10658), (2190, 8614), (3540, 5329), (4307, 4380)]