1821915985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{1009}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 2341584000

約数和(自身を除く): 519668015

約数列:

[1, 5, 19, 83, 95, 229, 415, 1009, 1145, 1577, 4351, 5045, 7885, 19007, 19171, 21755, 83747, 95035, 95855, 231061, 361133, 418735, 1155305, 1591193, 1805665, 4390159, 7955965, 19178063, 21950795, 95890315, 364383197, 1821915985]

約数ペア:

[(1, 1821915985), (5, 364383197), (19, 95890315), (83, 21950795), (95, 19178063), (229, 7955965), (415, 4390159), (1009, 1805665), (1145, 1591193), (1577, 1155305), (4351, 418735), (5045, 361133), (7885, 231061), (19007, 95855), (19171, 95035), (21755, 83747)]