18385120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8839}}^1$

素因数の和:8867

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 28396160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8839, 17678, 35356, 44195, 70712, 88390, 114907, 141424, 176780, 229814, 282848, 353560, 459628, 574535, 707120, 919256, 1149070, 1414240, 1838512, 2298140, 3677024, 4596280, 9192560, 18385120]

約数ペア:

[(1, 18385120), (2, 9192560), (4, 4596280), (5, 3677024), (8, 2298140), (10, 1838512), (13, 1414240), (16, 1149070), (20, 919256), (26, 707120), (32, 574535), (40, 459628), (52, 353560), (65, 282848), (80, 229814), (104, 176780), (130, 141424), (160, 114907), (208, 88390), (260, 70712), (416, 44195), (520, 35356), (1040, 17678), (2080, 8839)]