18962325

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 36

約数和(自身を含む): 34471008

約数和(自身を除く): 15508683

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1187, 1775, 3195, 3561, 5325, 5935, 10683, 15975, 17805, 29675, 53415, 84277, 89025, 252831, 267075, 421385, 758493, 1264155, 2106925, 3792465, 6320775, 18962325]

約数ペア:

[(1, 18962325), (3, 6320775), (5, 3792465), (9, 2106925), (15, 1264155), (25, 758493), (45, 421385), (71, 267075), (75, 252831), (213, 89025), (225, 84277), (355, 53415), (639, 29675), (1065, 17805), (1187, 15975), (1775, 10683), (3195, 5935), (3561, 5325)]