2019647890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{22483}}^1$

素因数の和:23194

約数の個数: 32

約数和(自身を含む): 3920849856

約数和(自身を除く): 1901201966

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 691, 1382, 3455, 6910, 8983, 17966, 22483, 44915, 44966, 89830, 112415, 224830, 292279, 584558, 1461395, 2922790, 15535753, 31071506, 77678765, 155357530, 201964789, 403929578, 1009823945, 2019647890]

約数ペア:

[(1, 2019647890), (2, 1009823945), (5, 403929578), (10, 201964789), (13, 155357530), (26, 77678765), (65, 31071506), (130, 15535753), (691, 2922790), (1382, 1461395), (3455, 584558), (6910, 292279), (8983, 224830), (17966, 112415), (22483, 89830), (44915, 44966)]