19736530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22253870

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 269, 290, 319, 506, 538, 638, 667, 1265, 1334, 1345, 1595, 2530, 2690, 2959, 3190, 3335, 5918, 6187, 6670, 7337, 7801, 12374, 14674, 14795, 15602, 29590, 30935, 36685, 39005, 61870, 68057, 73370, 78010, 85811, 136114, 171622, 179423, 340285, 358846, 429055, 680570, 858110, 897115, 1794230, 1973653, 3947306, 9868265, 19736530]

約数ペア:

[(1, 19736530), (2, 9868265), (5, 3947306), (10, 1973653), (11, 1794230), (22, 897115), (23, 858110), (29, 680570), (46, 429055), (55, 358846), (58, 340285), (110, 179423), (115, 171622), (145, 136114), (230, 85811), (253, 78010), (269, 73370), (290, 68057), (319, 61870), (506, 39005), (538, 36685), (638, 30935), (667, 29590), (1265, 15602), (1334, 14795), (1345, 14674), (1595, 12374), (2530, 7801), (2690, 7337), (2959, 6670), (3190, 6187), (3335, 5918)]