18424328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 39584580

約数和(自身を除く): 21160252

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 613, 884, 1156, 1226, 1768, 2312, 2452, 3757, 4904, 7514, 7969, 10421, 15028, 15938, 20842, 30056, 31876, 41684, 63752, 83368, 135473, 177157, 270946, 354314, 541892, 708628, 1083784, 1417256, 2303041, 4606082, 9212164, 18424328]

約数ペア:

[(1, 18424328), (2, 9212164), (4, 4606082), (8, 2303041), (13, 1417256), (17, 1083784), (26, 708628), (34, 541892), (52, 354314), (68, 270946), (104, 177157), (136, 135473), (221, 83368), (289, 63752), (442, 41684), (578, 31876), (613, 30056), (884, 20842), (1156, 15938), (1226, 15028), (1768, 10421), (2312, 7969), (2452, 7514), (3757, 4904)]