18665904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 51524480

約数和(自身を除く): 32858576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 211, 228, 291, 304, 388, 422, 456, 582, 633, 776, 844, 912, 1164, 1266, 1552, 1688, 1843, 2328, 2532, 3376, 3686, 4009, 4656, 5064, 5529, 7372, 8018, 10128, 11058, 12027, 14744, 16036, 20467, 22116, 24054, 29488, 32072, 40934, 44232, 48108, 61401, 64144, 81868, 88464, 96216, 122802, 163736, 192432, 245604, 327472, 388873, 491208, 777746, 982416, 1166619, 1555492, 2333238, 3110984, 4666476, 6221968, 9332952, 18665904]

約数ペア:

[(1, 18665904), (2, 9332952), (3, 6221968), (4, 4666476), (6, 3110984), (8, 2333238), (12, 1555492), (16, 1166619), (19, 982416), (24, 777746), (38, 491208), (48, 388873), (57, 327472), (76, 245604), (97, 192432), (114, 163736), (152, 122802), (194, 96216), (211, 88464), (228, 81868), (291, 64144), (304, 61401), (388, 48108), (422, 44232), (456, 40934), (582, 32072), (633, 29488), (776, 24054), (844, 22116), (912, 20467), (1164, 16036), (1266, 14744), (1552, 12027), (1688, 11058), (1843, 10128), (2328, 8018), (2532, 7372), (3376, 5529), (3686, 5064), (4009, 4656)]