18941415

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 31236096

約数和(自身を除く): 12294681

約数列:

[1, 3, 5, 15, 61, 127, 163, 183, 305, 381, 489, 635, 815, 915, 1905, 2445, 7747, 9943, 20701, 23241, 29829, 38735, 49715, 62103, 103505, 116205, 149145, 310515, 1262761, 3788283, 6313805, 18941415]

約数ペア:

[(1, 18941415), (3, 6313805), (5, 3788283), (15, 1262761), (61, 310515), (127, 149145), (163, 116205), (183, 103505), (305, 62103), (381, 49715), (489, 38735), (635, 29829), (815, 23241), (915, 20701), (1905, 9943), (2445, 7747)]