19005983315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{79973}}^1$

素因数の和:80167

約数の個数: 32

約数和(自身を含む): 25911576000

約数和(自身を除く): 6905592685

約数列:

[1, 5, 11, 29, 55, 145, 149, 319, 745, 1595, 1639, 4321, 8195, 21605, 47531, 79973, 237655, 399865, 879703, 2319217, 4398515, 11596085, 11915977, 25511387, 59579885, 127556935, 131075747, 345563333, 655378735, 1727816665, 3801196663, 19005983315]

約数ペア:

[(1, 19005983315), (5, 3801196663), (11, 1727816665), (29, 655378735), (55, 345563333), (145, 131075747), (149, 127556935), (319, 59579885), (745, 25511387), (1595, 11915977), (1639, 11596085), (4321, 4398515), (8195, 2319217), (21605, 879703), (47531, 399865), (79973, 237655)]