19689615

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13259}}^1$

素因数の和:13284

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 18499185

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13259, 39777, 66295, 119331, 145849, 198885, 357993, 437547, 596655, 729245, 1312641, 1789965, 2187735, 3937923, 6563205, 19689615]

約数ペア:

[(1, 19689615), (3, 6563205), (5, 3937923), (9, 2187735), (11, 1789965), (15, 1312641), (27, 729245), (33, 596655), (45, 437547), (55, 357993), (99, 198885), (135, 145849), (165, 119331), (297, 66295), (495, 39777), (1485, 13259)]