19045910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 18088810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 613, 1195, 1226, 2390, 3065, 3107, 6130, 6214, 7969, 15535, 15938, 31070, 39845, 79690, 146507, 293014, 732535, 1465070, 1904591, 3809182, 9522955, 19045910]

約数ペア:

[(1, 19045910), (2, 9522955), (5, 3809182), (10, 1904591), (13, 1465070), (26, 732535), (65, 293014), (130, 146507), (239, 79690), (478, 39845), (613, 31070), (1195, 15938), (1226, 15535), (2390, 7969), (3065, 6214), (3107, 6130)]