19655480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37799}}^1$

素因数の和:37823

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 27972520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37799, 75598, 151196, 188995, 302392, 377990, 491387, 755980, 982774, 1511960, 1965548, 2456935, 3931096, 4913870, 9827740, 19655480]

約数ペア:

[(1, 19655480), (2, 9827740), (4, 4913870), (5, 3931096), (8, 2456935), (10, 1965548), (13, 1511960), (20, 982774), (26, 755980), (40, 491387), (52, 377990), (65, 302392), (104, 188995), (130, 151196), (260, 75598), (520, 37799)]