18002504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 20704696

約数列:

[1, 2, 4, 8, 13, 26, 29, 47, 52, 58, 94, 104, 116, 127, 188, 232, 254, 376, 377, 508, 611, 754, 1016, 1222, 1363, 1508, 1651, 2444, 2726, 3016, 3302, 3683, 4888, 5452, 5969, 6604, 7366, 10904, 11938, 13208, 14732, 17719, 23876, 29464, 35438, 47752, 47879, 70876, 77597, 95758, 141752, 155194, 173101, 191516, 310388, 346202, 383032, 620776, 692404, 1384808, 2250313, 4500626, 9001252, 18002504]

約数ペア:

[(1, 18002504), (2, 9001252), (4, 4500626), (8, 2250313), (13, 1384808), (26, 692404), (29, 620776), (47, 383032), (52, 346202), (58, 310388), (94, 191516), (104, 173101), (116, 155194), (127, 141752), (188, 95758), (232, 77597), (254, 70876), (376, 47879), (377, 47752), (508, 35438), (611, 29464), (754, 23876), (1016, 17719), (1222, 14732), (1363, 13208), (1508, 11938), (1651, 10904), (2444, 7366), (2726, 6604), (3016, 5969), (3302, 5452), (3683, 4888)]