18097820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 23730148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1481, 2444, 2962, 3055, 5924, 6110, 7405, 12220, 14810, 19253, 29620, 38506, 69607, 77012, 96265, 139214, 192530, 278428, 348035, 385060, 696070, 904891, 1392140, 1809782, 3619564, 4524455, 9048910, 18097820]

約数ペア:

[(1, 18097820), (2, 9048910), (4, 4524455), (5, 3619564), (10, 1809782), (13, 1392140), (20, 904891), (26, 696070), (47, 385060), (52, 348035), (65, 278428), (94, 192530), (130, 139214), (188, 96265), (235, 77012), (260, 69607), (470, 38506), (611, 29620), (940, 19253), (1222, 14810), (1481, 12220), (2444, 7405), (2962, 6110), (3055, 5924)]