2019911565

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{20663}}^1$

素因数の和:20711

約数の個数: 64

約数和(自身を含む): 3967488000

約数和(自身を除く): 1947576435

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 343, 399, 665, 735, 931, 1029, 1715, 1995, 2793, 4655, 5145, 6517, 13965, 19551, 20663, 32585, 61989, 97755, 103315, 144641, 309945, 392597, 433923, 723205, 1012487, 1177791, 1962985, 2169615, 2748179, 3037461, 5062435, 5888955, 7087409, 8244537, 13740895, 15187305, 19237253, 21262227, 35437045, 41222685, 57711759, 96186265, 106311135, 134660771, 288558795, 403982313, 673303855, 2019911565]

約数ペア:

[(1, 2019911565), (3, 673303855), (5, 403982313), (7, 288558795), (15, 134660771), (19, 106311135), (21, 96186265), (35, 57711759), (49, 41222685), (57, 35437045), (95, 21262227), (105, 19237253), (133, 15187305), (147, 13740895), (245, 8244537), (285, 7087409), (343, 5888955), (399, 5062435), (665, 3037461), (735, 2748179), (931, 2169615), (1029, 1962985), (1715, 1177791), (1995, 1012487), (2793, 723205), (4655, 433923), (5145, 392597), (6517, 309945), (13965, 144641), (19551, 103315), (20663, 97755), (32585, 61989)]