18454384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 60

約数和(自身を含む): 41037304

約数和(自身を除く): 22582920

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 307, 442, 578, 614, 884, 1156, 1228, 1768, 2312, 2456, 3536, 3757, 3991, 4624, 4912, 5219, 7514, 7982, 10438, 15028, 15964, 20876, 30056, 31928, 41752, 60112, 63856, 67847, 83504, 88723, 135694, 177446, 271388, 354892, 542776, 709784, 1085552, 1153399, 1419568, 2306798, 4613596, 9227192, 18454384]

約数ペア:

[(1, 18454384), (2, 9227192), (4, 4613596), (8, 2306798), (13, 1419568), (16, 1153399), (17, 1085552), (26, 709784), (34, 542776), (52, 354892), (68, 271388), (104, 177446), (136, 135694), (208, 88723), (221, 83504), (272, 67847), (289, 63856), (307, 60112), (442, 41752), (578, 31928), (614, 30056), (884, 20876), (1156, 15964), (1228, 15028), (1768, 10438), (2312, 7982), (2456, 7514), (3536, 5219), (3757, 4912), (3991, 4624)]