18010960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 46372032

約数和(自身を除く): 28361072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 211, 220, 388, 422, 440, 485, 776, 844, 880, 970, 1055, 1067, 1552, 1688, 1940, 2110, 2134, 2321, 3376, 3880, 4220, 4268, 4642, 5335, 7760, 8440, 8536, 9284, 10670, 11605, 16880, 17072, 18568, 20467, 21340, 23210, 37136, 40934, 42680, 46420, 81868, 85360, 92840, 102335, 163736, 185680, 204670, 225137, 327472, 409340, 450274, 818680, 900548, 1125685, 1637360, 1801096, 2251370, 3602192, 4502740, 9005480, 18010960]

約数ペア:

[(1, 18010960), (2, 9005480), (4, 4502740), (5, 3602192), (8, 2251370), (10, 1801096), (11, 1637360), (16, 1125685), (20, 900548), (22, 818680), (40, 450274), (44, 409340), (55, 327472), (80, 225137), (88, 204670), (97, 185680), (110, 163736), (176, 102335), (194, 92840), (211, 85360), (220, 81868), (388, 46420), (422, 42680), (440, 40934), (485, 37136), (776, 23210), (844, 21340), (880, 20467), (970, 18568), (1055, 17072), (1067, 16880), (1552, 11605), (1688, 10670), (1940, 9284), (2110, 8536), (2134, 8440), (2321, 7760), (3376, 5335), (3880, 4642), (4220, 4268)]