18852295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 10592825

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2129, 8855, 10645, 14903, 23419, 48967, 74515, 117095, 163933, 244835, 342769, 538637, 819665, 1713845, 2693185, 3770459, 18852295]

約数ペア:

[(1, 18852295), (5, 3770459), (7, 2693185), (11, 1713845), (23, 819665), (35, 538637), (55, 342769), (77, 244835), (115, 163933), (161, 117095), (253, 74515), (385, 48967), (805, 23419), (1265, 14903), (1771, 10645), (2129, 8855)]