19042415

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 27492480

約数和(自身を除く): 8450065

約数列:

[1, 5, 7, 29, 35, 73, 145, 203, 257, 365, 511, 1015, 1285, 1799, 2117, 2555, 7453, 8995, 10585, 14819, 18761, 37265, 52171, 74095, 93805, 131327, 260855, 544069, 656635, 2720345, 3808483, 19042415]

約数ペア:

[(1, 19042415), (5, 3808483), (7, 2720345), (29, 656635), (35, 544069), (73, 260855), (145, 131327), (203, 93805), (257, 74095), (365, 52171), (511, 37265), (1015, 18761), (1285, 14819), (1799, 10585), (2117, 8995), (2555, 7453)]