18736088

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23599912

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 83, 116, 139, 166, 203, 232, 278, 332, 406, 556, 581, 664, 812, 973, 1112, 1162, 1624, 1946, 2324, 2407, 3892, 4031, 4648, 4814, 7784, 8062, 9628, 11537, 16124, 16849, 19256, 23074, 28217, 32248, 33698, 46148, 56434, 67396, 80759, 92296, 112868, 134792, 161518, 225736, 323036, 334573, 646072, 669146, 1338292, 2342011, 2676584, 4684022, 9368044, 18736088]

約数ペア:

[(1, 18736088), (2, 9368044), (4, 4684022), (7, 2676584), (8, 2342011), (14, 1338292), (28, 669146), (29, 646072), (56, 334573), (58, 323036), (83, 225736), (116, 161518), (139, 134792), (166, 112868), (203, 92296), (232, 80759), (278, 67396), (332, 56434), (406, 46148), (556, 33698), (581, 32248), (664, 28217), (812, 23074), (973, 19256), (1112, 16849), (1162, 16124), (1624, 11537), (1946, 9628), (2324, 8062), (2407, 7784), (3892, 4814), (4031, 4648)]