18183580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 21823940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 293, 428, 535, 580, 586, 1070, 1172, 1465, 2140, 2930, 3103, 5860, 6206, 8497, 12412, 15515, 16994, 31030, 31351, 33988, 42485, 62060, 62702, 84970, 125404, 156755, 169940, 313510, 627020, 909179, 1818358, 3636716, 4545895, 9091790, 18183580]

約数ペア:

[(1, 18183580), (2, 9091790), (4, 4545895), (5, 3636716), (10, 1818358), (20, 909179), (29, 627020), (58, 313510), (107, 169940), (116, 156755), (145, 125404), (214, 84970), (290, 62702), (293, 62060), (428, 42485), (535, 33988), (580, 31351), (586, 31030), (1070, 16994), (1172, 15515), (1465, 12412), (2140, 8497), (2930, 6206), (3103, 5860)]