18330320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7901}}^1$

素因数の和:7943

約数の個数: 40

約数和(自身を含む): 44093160

約数和(自身を除く): 25762840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7901, 15802, 31604, 39505, 63208, 79010, 126416, 158020, 229129, 316040, 458258, 632080, 916516, 1145645, 1833032, 2291290, 3666064, 4582580, 9165160, 18330320]

約数ペア:

[(1, 18330320), (2, 9165160), (4, 4582580), (5, 3666064), (8, 2291290), (10, 1833032), (16, 1145645), (20, 916516), (29, 632080), (40, 458258), (58, 316040), (80, 229129), (116, 158020), (145, 126416), (232, 79010), (290, 63208), (464, 39505), (580, 31604), (1160, 15802), (2320, 7901)]