17620890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11987}}^1$

素因数の和:12011

約数の個数: 48

約数和(自身を含む): 49198752

約数和(自身を除く): 31577862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 11987, 23974, 35961, 59935, 71922, 83909, 119870, 167818, 179805, 251727, 359610, 419545, 503454, 587363, 839090, 1174726, 1258635, 1762089, 2517270, 2936815, 3524178, 5873630, 8810445, 17620890]

約数ペア:

[(1, 17620890), (2, 8810445), (3, 5873630), (5, 3524178), (6, 2936815), (7, 2517270), (10, 1762089), (14, 1258635), (15, 1174726), (21, 839090), (30, 587363), (35, 503454), (42, 419545), (49, 359610), (70, 251727), (98, 179805), (105, 167818), (147, 119870), (210, 83909), (245, 71922), (294, 59935), (490, 35961), (735, 23974), (1470, 11987)]