18344240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7907}}^1$

素因数の和:7949

約数の個数: 40

約数和(自身を含む): 44126640

約数和(自身を除く): 25782400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7907, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 229303, 316280, 458606, 632560, 917212, 1146515, 1834424, 2293030, 3668848, 4586060, 9172120, 18344240]

約数ペア:

[(1, 18344240), (2, 9172120), (4, 4586060), (5, 3668848), (8, 2293030), (10, 1834424), (16, 1146515), (20, 917212), (29, 632560), (40, 458606), (58, 316280), (80, 229303), (116, 158140), (145, 126512), (232, 79070), (290, 63256), (464, 39535), (580, 31628), (1160, 15814), (2320, 7907)]