19402575

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4241}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 32612496

約数和(自身を除く): 13209921

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4241, 4575, 12723, 21205, 63615, 106025, 258701, 318075, 776103, 1293505, 3880515, 6467525, 19402575]

約数ペア:

[(1, 19402575), (3, 6467525), (5, 3880515), (15, 1293505), (25, 776103), (61, 318075), (75, 258701), (183, 106025), (305, 63615), (915, 21205), (1525, 12723), (4241, 4575)]