18096580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 40325040

約数和(自身を除く): 22228460

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 761, 820, 1189, 1522, 2378, 3044, 3805, 4756, 5945, 7610, 11890, 15220, 22069, 23780, 31201, 44138, 62402, 88276, 110345, 124804, 156005, 220690, 312010, 441380, 624020, 904829, 1809658, 3619316, 4524145, 9048290, 18096580]

約数ペア:

[(1, 18096580), (2, 9048290), (4, 4524145), (5, 3619316), (10, 1809658), (20, 904829), (29, 624020), (41, 441380), (58, 312010), (82, 220690), (116, 156005), (145, 124804), (164, 110345), (205, 88276), (290, 62402), (410, 44138), (580, 31201), (761, 23780), (820, 22069), (1189, 15220), (1522, 11890), (2378, 7610), (3044, 5945), (3805, 4756)]