18979935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 14017953

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 743, 1703, 1965, 2229, 3715, 5109, 8515, 9659, 11145, 25545, 28977, 48295, 97333, 144885, 291999, 486665, 1265329, 1459995, 3795987, 6326645, 18979935]

約数ペア:

[(1, 18979935), (3, 6326645), (5, 3795987), (13, 1459995), (15, 1265329), (39, 486665), (65, 291999), (131, 144885), (195, 97333), (393, 48295), (655, 28977), (743, 25545), (1703, 11145), (1965, 9659), (2229, 8515), (3715, 5109)]