2019420214990

素因数分解:

$2^1\times 5^1\times {\mathrm{123821}}^1\times {\mathrm{1630919}}^1$

素因数の和:1754747

約数の個数: 16

約数和(自身を含む): 3634987972320

約数和(自身を除く): 1615567757330

約数列:

[1, 2, 5, 10, 123821, 247642, 619105, 1238210, 1630919, 3261838, 8154595, 16309190, 201942021499, 403884042998, 1009710107495, 2019420214990]

約数ペア:

[(1, 2019420214990), (2, 1009710107495), (5, 403884042998), (10, 201942021499), (123821, 16309190), (247642, 8154595), (619105, 3261838), (1238210, 1630919)]