18850160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 51371712

約数和(自身を除く): 32521552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 821, 1148, 1435, 1640, 1642, 2296, 2870, 3280, 3284, 4105, 4592, 5740, 5747, 6568, 8210, 11480, 11494, 13136, 16420, 22960, 22988, 28735, 32840, 33661, 45976, 57470, 65680, 67322, 91952, 114940, 134644, 168305, 229880, 235627, 269288, 336610, 459760, 471254, 538576, 673220, 942508, 1178135, 1346440, 1885016, 2356270, 2692880, 3770032, 4712540, 9425080, 18850160]

約数ペア:

[(1, 18850160), (2, 9425080), (4, 4712540), (5, 3770032), (7, 2692880), (8, 2356270), (10, 1885016), (14, 1346440), (16, 1178135), (20, 942508), (28, 673220), (35, 538576), (40, 471254), (41, 459760), (56, 336610), (70, 269288), (80, 235627), (82, 229880), (112, 168305), (140, 134644), (164, 114940), (205, 91952), (280, 67322), (287, 65680), (328, 57470), (410, 45976), (560, 33661), (574, 32840), (656, 28735), (820, 22988), (821, 22960), (1148, 16420), (1435, 13136), (1640, 11494), (1642, 11480), (2296, 8210), (2870, 6568), (3280, 5747), (3284, 5740), (4105, 4592)]