17939452420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1\times {\mathrm{29131}}^1$

素因数の和:29932

約数の個数: 48

約数和(自身を含む): 38644413696

約数和(自身を除く): 20704961276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 751, 820, 1502, 3004, 3755, 7510, 15020, 29131, 30791, 58262, 61582, 116524, 123164, 145655, 153955, 291310, 307910, 582620, 615820, 1194371, 2388742, 4777484, 5971855, 11943710, 21877381, 23887420, 43754762, 87509524, 109386905, 218773810, 437547620, 896972621, 1793945242, 3587890484, 4484863105, 8969726210, 17939452420]

約数ペア:

[(1, 17939452420), (2, 8969726210), (4, 4484863105), (5, 3587890484), (10, 1793945242), (20, 896972621), (41, 437547620), (82, 218773810), (164, 109386905), (205, 87509524), (410, 43754762), (751, 23887420), (820, 21877381), (1502, 11943710), (3004, 5971855), (3755, 4777484), (7510, 2388742), (15020, 1194371), (29131, 615820), (30791, 582620), (58262, 307910), (61582, 291310), (116524, 153955), (123164, 145655)]