18994539095

素因数分解:

$5^1\times 7^4\times {\mathrm{653}}^1\times {\mathrm{2423}}^1$

素因数の和:3109

約数の個数: 40

約数和(自身を含む): 26642484576

約数和(自身を除く): 7647945481

約数列:

[1, 5, 7, 35, 49, 245, 343, 653, 1715, 2401, 2423, 3265, 4571, 12005, 12115, 16961, 22855, 31997, 84805, 118727, 159985, 223979, 593635, 831089, 1119895, 1567853, 1582219, 4155445, 5817623, 7839265, 7911095, 11075533, 29088115, 55377665, 77528731, 387643655, 542701117, 2713505585, 3798907819, 18994539095]

約数ペア:

[(1, 18994539095), (5, 3798907819), (7, 2713505585), (35, 542701117), (49, 387643655), (245, 77528731), (343, 55377665), (653, 29088115), (1715, 11075533), (2401, 7911095), (2423, 7839265), (3265, 5817623), (4571, 4155445), (12005, 1582219), (12115, 1567853), (16961, 1119895), (22855, 831089), (31997, 593635), (84805, 223979), (118727, 159985)]