18657088

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 56

約数和(自身を含む): 39725600

約数和(自身を除く): 21068512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 229, 268, 304, 458, 536, 608, 916, 1072, 1216, 1273, 1832, 2144, 2546, 3664, 4288, 4351, 5092, 7328, 8702, 10184, 14656, 15343, 17404, 20368, 30686, 34808, 40736, 61372, 69616, 81472, 122744, 139232, 245488, 278464, 291517, 490976, 583034, 981952, 1166068, 2332136, 4664272, 9328544, 18657088]

約数ペア:

[(1, 18657088), (2, 9328544), (4, 4664272), (8, 2332136), (16, 1166068), (19, 981952), (32, 583034), (38, 490976), (64, 291517), (67, 278464), (76, 245488), (134, 139232), (152, 122744), (229, 81472), (268, 69616), (304, 61372), (458, 40736), (536, 34808), (608, 30686), (916, 20368), (1072, 17404), (1216, 15343), (1273, 14656), (1832, 10184), (2144, 8702), (2546, 7328), (3664, 5092), (4288, 4351)]