18955174

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 35659008

約数和(自身を除く): 16703834

約数列:

[1, 2, 7, 14, 23, 37, 43, 46, 74, 86, 161, 259, 301, 322, 518, 602, 851, 989, 1369, 1591, 1702, 1978, 2738, 3182, 5957, 6923, 9583, 11137, 11914, 13846, 19166, 22274, 31487, 36593, 58867, 62974, 73186, 117734, 220409, 256151, 412069, 440818, 512302, 824138, 1353941, 2707882, 9477587, 18955174]

約数ペア:

[(1, 18955174), (2, 9477587), (7, 2707882), (14, 1353941), (23, 824138), (37, 512302), (43, 440818), (46, 412069), (74, 256151), (86, 220409), (161, 117734), (259, 73186), (301, 62974), (322, 58867), (518, 36593), (602, 31487), (851, 22274), (989, 19166), (1369, 13846), (1591, 11914), (1702, 11137), (1978, 9583), (2738, 6923), (3182, 5957)]