18086020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{941}}^1$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 39287052

約数和(自身を除く): 21201032

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 941, 961, 1882, 1922, 3764, 3844, 4705, 4805, 9410, 9610, 18820, 19220, 29171, 58342, 116684, 145855, 291710, 583420, 904301, 1808602, 3617204, 4521505, 9043010, 18086020]

約数ペア:

[(1, 18086020), (2, 9043010), (4, 4521505), (5, 3617204), (10, 1808602), (20, 904301), (31, 583420), (62, 291710), (124, 145855), (155, 116684), (310, 58342), (620, 29171), (941, 19220), (961, 18820), (1882, 9610), (1922, 9410), (3764, 4805), (3844, 4705)]