18278468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 22364092

約数列:

[1, 2, 4, 13, 17, 23, 26, 29, 31, 34, 46, 52, 58, 62, 68, 92, 116, 124, 221, 299, 377, 391, 403, 442, 493, 527, 598, 667, 713, 754, 782, 806, 884, 899, 986, 1054, 1196, 1334, 1426, 1508, 1564, 1612, 1798, 1972, 2108, 2668, 2852, 3596, 5083, 6409, 6851, 8671, 9269, 10166, 11339, 11687, 12121, 12818, 13702, 15283, 17342, 18538, 20332, 20677, 22678, 23374, 24242, 25636, 27404, 30566, 34684, 37076, 41354, 45356, 46748, 48484, 61132, 82708, 147407, 157573, 198679, 268801, 294814, 315146, 351509, 397358, 537602, 589628, 630292, 703018, 794716, 1075204, 1406036, 4569617, 9139234, 18278468]

約数ペア:

[(1, 18278468), (2, 9139234), (4, 4569617), (13, 1406036), (17, 1075204), (23, 794716), (26, 703018), (29, 630292), (31, 589628), (34, 537602), (46, 397358), (52, 351509), (58, 315146), (62, 294814), (68, 268801), (92, 198679), (116, 157573), (124, 147407), (221, 82708), (299, 61132), (377, 48484), (391, 46748), (403, 45356), (442, 41354), (493, 37076), (527, 34684), (598, 30566), (667, 27404), (713, 25636), (754, 24242), (782, 23374), (806, 22678), (884, 20677), (899, 20332), (986, 18538), (1054, 17342), (1196, 15283), (1334, 13702), (1426, 12818), (1508, 12121), (1564, 11687), (1612, 11339), (1798, 10166), (1972, 9269), (2108, 8671), (2668, 6851), (2852, 6409), (3596, 5083)]