18109630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 23984450

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 811, 1015, 1595, 1622, 2030, 2233, 3190, 4055, 4466, 5677, 8110, 8921, 11165, 11354, 17842, 22330, 23519, 28385, 44605, 47038, 56770, 62447, 89210, 117595, 124894, 164633, 235190, 258709, 312235, 329266, 517418, 624470, 823165, 1293545, 1646330, 1810963, 2587090, 3621926, 9054815, 18109630]

約数ペア:

[(1, 18109630), (2, 9054815), (5, 3621926), (7, 2587090), (10, 1810963), (11, 1646330), (14, 1293545), (22, 823165), (29, 624470), (35, 517418), (55, 329266), (58, 312235), (70, 258709), (77, 235190), (110, 164633), (145, 124894), (154, 117595), (203, 89210), (290, 62447), (319, 56770), (385, 47038), (406, 44605), (638, 28385), (770, 23519), (811, 22330), (1015, 17842), (1595, 11354), (1622, 11165), (2030, 8921), (2233, 8110), (3190, 5677), (4055, 4466)]