19756540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25059140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1481, 2668, 2962, 3335, 5924, 6670, 7405, 13340, 14810, 29620, 34063, 42949, 68126, 85898, 136252, 170315, 171796, 214745, 340630, 429490, 681260, 858980, 987827, 1975654, 3951308, 4939135, 9878270, 19756540]

約数ペア:

[(1, 19756540), (2, 9878270), (4, 4939135), (5, 3951308), (10, 1975654), (20, 987827), (23, 858980), (29, 681260), (46, 429490), (58, 340630), (92, 214745), (115, 171796), (116, 170315), (145, 136252), (230, 85898), (290, 68126), (460, 42949), (580, 34063), (667, 29620), (1334, 14810), (1481, 13340), (2668, 7405), (2962, 6670), (3335, 5924)]