18083440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11897}}^1$

素因数の和:11929

約数の個数: 40

約数和(自身を含む): 44260560

約数和(自身を除く): 26177120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11897, 23794, 47588, 59485, 95176, 118970, 190352, 226043, 237940, 452086, 475880, 904172, 951760, 1130215, 1808344, 2260430, 3616688, 4520860, 9041720, 18083440]

約数ペア:

[(1, 18083440), (2, 9041720), (4, 4520860), (5, 3616688), (8, 2260430), (10, 1808344), (16, 1130215), (19, 951760), (20, 904172), (38, 475880), (40, 452086), (76, 237940), (80, 226043), (95, 190352), (152, 118970), (190, 95176), (304, 59485), (380, 47588), (760, 23794), (1520, 11897)]