18818436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 56949760

約数和(自身を除く): 38131324

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 907, 988, 1092, 1482, 1596, 1729, 1814, 2721, 2964, 3458, 3628, 5187, 5442, 6349, 6916, 10374, 10884, 11791, 12698, 17233, 19047, 20748, 23582, 25396, 34466, 35373, 38094, 47164, 51699, 68932, 70746, 76188, 82537, 103398, 120631, 141492, 165074, 206796, 224029, 241262, 247611, 330148, 361893, 448058, 482524, 495222, 672087, 723786, 896116, 990444, 1344174, 1447572, 1568203, 2688348, 3136406, 4704609, 6272812, 9409218, 18818436]

約数ペア:

[(1, 18818436), (2, 9409218), (3, 6272812), (4, 4704609), (6, 3136406), (7, 2688348), (12, 1568203), (13, 1447572), (14, 1344174), (19, 990444), (21, 896116), (26, 723786), (28, 672087), (38, 495222), (39, 482524), (42, 448058), (52, 361893), (57, 330148), (76, 247611), (78, 241262), (84, 224029), (91, 206796), (114, 165074), (133, 141492), (156, 120631), (182, 103398), (228, 82537), (247, 76188), (266, 70746), (273, 68932), (364, 51699), (399, 47164), (494, 38094), (532, 35373), (546, 34466), (741, 25396), (798, 23582), (907, 20748), (988, 19047), (1092, 17233), (1482, 12698), (1596, 11791), (1729, 10884), (1814, 10374), (2721, 6916), (2964, 6349), (3458, 5442), (3628, 5187)]