2019201320

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{222379}}^1$

素因数の和:222617

約数の個数: 32

約数和(自身を含む): 4563237600

約数和(自身を除く): 2544036280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 222379, 444758, 889516, 1111895, 1779032, 2223790, 4447580, 8895160, 50480033, 100960066, 201920132, 252400165, 403840264, 504800330, 1009600660, 2019201320]

約数ペア:

[(1, 2019201320), (2, 1009600660), (4, 504800330), (5, 403840264), (8, 252400165), (10, 201920132), (20, 100960066), (40, 50480033), (227, 8895160), (454, 4447580), (908, 2223790), (1135, 1779032), (1816, 1111895), (2270, 889516), (4540, 444758), (9080, 222379)]