18440888921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{503}}^1\times {\mathrm{1063}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 22823055360

約数和(自身を除く): 4382166439

約数列:

[1, 7, 13, 91, 379, 503, 1063, 2653, 3521, 4927, 6539, 7441, 13819, 34489, 45773, 96733, 190637, 402877, 534689, 1334459, 2478281, 2820139, 3742823, 5237401, 6950957, 17347967, 36661807, 48656699, 202647131, 1418529917, 2634412703, 18440888921]

約数ペア:

[(1, 18440888921), (7, 2634412703), (13, 1418529917), (91, 202647131), (379, 48656699), (503, 36661807), (1063, 17347967), (2653, 6950957), (3521, 5237401), (4927, 3742823), (6539, 2820139), (7441, 2478281), (13819, 1334459), (34489, 534689), (45773, 402877), (96733, 190637)]