18825015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 33057792

約数和(自身を除く): 14232777

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 271, 421, 813, 1263, 1355, 2105, 2981, 4065, 4631, 6315, 8943, 13893, 14905, 23155, 44715, 69465, 114091, 342273, 570455, 1255001, 1711365, 3765003, 6275005, 18825015]

約数ペア:

[(1, 18825015), (3, 6275005), (5, 3765003), (11, 1711365), (15, 1255001), (33, 570455), (55, 342273), (165, 114091), (271, 69465), (421, 44715), (813, 23155), (1263, 14905), (1355, 13893), (2105, 8943), (2981, 6315), (4065, 4631)]