18749920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16741}}^1$

素因数の和:16763

約数の個数: 48

約数和(自身を含む): 50627808

約数和(自身を除く): 31877888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16741, 33482, 66964, 83705, 117187, 133928, 167410, 234374, 267856, 334820, 468748, 535712, 585935, 669640, 937496, 1171870, 1339280, 1874992, 2343740, 2678560, 3749984, 4687480, 9374960, 18749920]

約数ペア:

[(1, 18749920), (2, 9374960), (4, 4687480), (5, 3749984), (7, 2678560), (8, 2343740), (10, 1874992), (14, 1339280), (16, 1171870), (20, 937496), (28, 669640), (32, 585935), (35, 535712), (40, 468748), (56, 334820), (70, 267856), (80, 234374), (112, 167410), (140, 133928), (160, 117187), (224, 83705), (280, 66964), (560, 33482), (1120, 16741)]