12172540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 27256320

約数和(自身を除く): 15083780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 311, 380, 412, 515, 622, 1030, 1244, 1555, 1957, 2060, 3110, 3914, 5909, 6220, 7828, 9785, 11818, 19570, 23636, 29545, 32033, 39140, 59090, 64066, 118180, 128132, 160165, 320330, 608627, 640660, 1217254, 2434508, 3043135, 6086270, 12172540]

約数ペア:

[(1, 12172540), (2, 6086270), (4, 3043135), (5, 2434508), (10, 1217254), (19, 640660), (20, 608627), (38, 320330), (76, 160165), (95, 128132), (103, 118180), (190, 64066), (206, 59090), (311, 39140), (380, 32033), (412, 29545), (515, 23636), (622, 19570), (1030, 11818), (1244, 9785), (1555, 7828), (1957, 6220), (2060, 5909), (3110, 3914)]