18077860

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1583}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 19976156

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1583, 2284, 2855, 3166, 5710, 6332, 7915, 11420, 15830, 31660, 903893, 1807786, 3615572, 4519465, 9038930, 18077860]

約数ペア:

[(1, 18077860), (2, 9038930), (4, 4519465), (5, 3615572), (10, 1807786), (20, 903893), (571, 31660), (1142, 15830), (1583, 11420), (2284, 7915), (2855, 6332), (3166, 5710)]