18577468

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 42632352

約数和(自身を除く): 24054884

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 317, 322, 364, 598, 634, 637, 644, 1127, 1196, 1268, 1274, 2093, 2219, 2254, 2548, 4121, 4186, 4438, 4508, 7291, 8242, 8372, 8876, 14582, 14651, 15533, 16484, 28847, 29164, 29302, 31066, 51037, 57694, 58604, 62132, 94783, 102074, 115388, 189566, 201929, 204148, 357259, 379132, 403858, 663481, 714518, 807716, 1326962, 1429036, 2653924, 4644367, 9288734, 18577468]

約数ペア:

[(1, 18577468), (2, 9288734), (4, 4644367), (7, 2653924), (13, 1429036), (14, 1326962), (23, 807716), (26, 714518), (28, 663481), (46, 403858), (49, 379132), (52, 357259), (91, 204148), (92, 201929), (98, 189566), (161, 115388), (182, 102074), (196, 94783), (299, 62132), (317, 58604), (322, 57694), (364, 51037), (598, 31066), (634, 29302), (637, 29164), (644, 28847), (1127, 16484), (1196, 15533), (1268, 14651), (1274, 14582), (2093, 8876), (2219, 8372), (2254, 8242), (2548, 7291), (4121, 4508), (4186, 4438)]