19687995

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3612

約数の個数: 32

約数和(自身を含む): 35864640

約数和(自身を除く): 16176645

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3557, 5535, 10671, 17785, 32013, 53355, 96039, 145837, 160065, 437511, 480195, 729185, 1312533, 2187555, 3937599, 6562665, 19687995]

約数ペア:

[(1, 19687995), (3, 6562665), (5, 3937599), (9, 2187555), (15, 1312533), (27, 729185), (41, 480195), (45, 437511), (123, 160065), (135, 145837), (205, 96039), (369, 53355), (615, 32013), (1107, 17785), (1845, 10671), (3557, 5535)]