19839915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 37177920

約数和(自身を除く): 17338005

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 661, 667, 1035, 1305, 1983, 2001, 3305, 3335, 5949, 6003, 9915, 10005, 15203, 19169, 29745, 30015, 45609, 57507, 76015, 95845, 136827, 172521, 228045, 287535, 440887, 684135, 862605, 1322661, 2204435, 3967983, 6613305, 19839915]

約数ペア:

[(1, 19839915), (3, 6613305), (5, 3967983), (9, 2204435), (15, 1322661), (23, 862605), (29, 684135), (45, 440887), (69, 287535), (87, 228045), (115, 172521), (145, 136827), (207, 95845), (261, 76015), (345, 57507), (435, 45609), (661, 30015), (667, 29745), (1035, 19169), (1305, 15203), (1983, 10005), (2001, 9915), (3305, 6003), (3335, 5949)]