2019743985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{144629}}^1$

素因数の和:144670

約数の個数: 48

約数和(自身を含む): 3957076800

約数和(自身を除く): 1937332815

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 144629, 433887, 723145, 1012403, 2169435, 2747951, 3037209, 5062015, 7086821, 8243853, 13739755, 15186045, 19235657, 21260463, 35434105, 41219265, 57706971, 96178285, 106302315, 134649599, 288534855, 403948797, 673247995, 2019743985]

約数ペア:

[(1, 2019743985), (3, 673247995), (5, 403948797), (7, 288534855), (15, 134649599), (19, 106302315), (21, 96178285), (35, 57706971), (49, 41219265), (57, 35434105), (95, 21260463), (105, 19235657), (133, 15186045), (147, 13739755), (245, 8243853), (285, 7086821), (399, 5062015), (665, 3037209), (735, 2747951), (931, 2169435), (1995, 1012403), (2793, 723145), (4655, 433887), (13965, 144629)]