18292450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 37676160

約数和(自身を除く): 19383710

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 421, 550, 790, 842, 869, 1738, 1975, 2105, 3950, 4210, 4345, 4631, 8690, 9262, 10525, 21050, 21725, 23155, 33259, 43450, 46310, 66518, 115775, 166295, 231550, 332590, 365849, 731698, 831475, 1662950, 1829245, 3658490, 9146225, 18292450]

約数ペア:

[(1, 18292450), (2, 9146225), (5, 3658490), (10, 1829245), (11, 1662950), (22, 831475), (25, 731698), (50, 365849), (55, 332590), (79, 231550), (110, 166295), (158, 115775), (275, 66518), (395, 46310), (421, 43450), (550, 33259), (790, 23155), (842, 21725), (869, 21050), (1738, 10525), (1975, 9262), (2105, 8690), (3950, 4631), (4210, 4345)]