19830945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 14010207

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1223, 3243, 3669, 5405, 6115, 16215, 18345, 28129, 57481, 84387, 140645, 172443, 287405, 421935, 862215, 1322063, 3966189, 6610315, 19830945]

約数ペア:

[(1, 19830945), (3, 6610315), (5, 3966189), (15, 1322063), (23, 862215), (47, 421935), (69, 287405), (115, 172443), (141, 140645), (235, 84387), (345, 57481), (705, 28129), (1081, 18345), (1223, 16215), (3243, 6115), (3669, 5405)]