2019999020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{8363}}^1$

素因数の和:9314

約数の個数: 48

約数和(自身を含む): 4573769760

約数和(自身を除く): 2553770740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 929, 1858, 3716, 4645, 8363, 9290, 12077, 16726, 18580, 24154, 33452, 41815, 48308, 60385, 83630, 108719, 120770, 167260, 217438, 241540, 434876, 543595, 1087190, 2174380, 7769227, 15538454, 31076908, 38846135, 77692270, 100999951, 155384540, 201999902, 403999804, 504999755, 1009999510, 2019999020]

約数ペア:

[(1, 2019999020), (2, 1009999510), (4, 504999755), (5, 403999804), (10, 201999902), (13, 155384540), (20, 100999951), (26, 77692270), (52, 38846135), (65, 31076908), (130, 15538454), (260, 7769227), (929, 2174380), (1858, 1087190), (3716, 543595), (4645, 434876), (8363, 241540), (9290, 217438), (12077, 167260), (16726, 120770), (18580, 108719), (24154, 83630), (33452, 60385), (41815, 48308)]