18376952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 41040000

約数和(自身を除く): 22663048

約数列:

[1, 2, 4, 8, 11, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 209, 232, 319, 379, 418, 551, 638, 758, 836, 1102, 1276, 1516, 1672, 2204, 2552, 3032, 4169, 4408, 6061, 7201, 8338, 10991, 12122, 14402, 16676, 21982, 24244, 28804, 33352, 43964, 48488, 57608, 79211, 87928, 120901, 158422, 208829, 241802, 316844, 417658, 483604, 633688, 835316, 967208, 1670632, 2297119, 4594238, 9188476, 18376952]

約数ペア:

[(1, 18376952), (2, 9188476), (4, 4594238), (8, 2297119), (11, 1670632), (19, 967208), (22, 835316), (29, 633688), (38, 483604), (44, 417658), (58, 316844), (76, 241802), (88, 208829), (116, 158422), (152, 120901), (209, 87928), (232, 79211), (319, 57608), (379, 48488), (418, 43964), (551, 33352), (638, 28804), (758, 24244), (836, 21982), (1102, 16676), (1276, 14402), (1516, 12122), (1672, 10991), (2204, 8338), (2552, 7201), (3032, 6061), (4169, 4408)]