18457648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24396752

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 199, 248, 272, 341, 374, 398, 496, 527, 682, 748, 796, 1054, 1364, 1496, 1592, 2108, 2189, 2728, 2992, 3184, 3383, 4216, 4378, 5456, 5797, 6169, 6766, 8432, 8756, 11594, 12338, 13532, 17512, 23188, 24676, 27064, 35024, 37213, 46376, 49352, 54128, 67859, 74426, 92752, 98704, 104873, 135718, 148852, 209746, 271436, 297704, 419492, 542872, 595408, 838984, 1085744, 1153603, 1677968, 2307206, 4614412, 9228824, 18457648]

約数ペア:

[(1, 18457648), (2, 9228824), (4, 4614412), (8, 2307206), (11, 1677968), (16, 1153603), (17, 1085744), (22, 838984), (31, 595408), (34, 542872), (44, 419492), (62, 297704), (68, 271436), (88, 209746), (124, 148852), (136, 135718), (176, 104873), (187, 98704), (199, 92752), (248, 74426), (272, 67859), (341, 54128), (374, 49352), (398, 46376), (496, 37213), (527, 35024), (682, 27064), (748, 24676), (796, 23188), (1054, 17512), (1364, 13532), (1496, 12338), (1592, 11594), (2108, 8756), (2189, 8432), (2728, 6766), (2992, 6169), (3184, 5797), (3383, 5456), (4216, 4378)]