18560958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 41997312

約数和(自身を除く): 23436354

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 61, 78, 83, 94, 122, 141, 166, 183, 249, 282, 366, 498, 611, 793, 1079, 1222, 1586, 1833, 2158, 2379, 2867, 3237, 3666, 3901, 4758, 5063, 5734, 6474, 7802, 8601, 10126, 11703, 15189, 17202, 23406, 30378, 37271, 50713, 65819, 74542, 101426, 111813, 131638, 152139, 197457, 223626, 237961, 304278, 394914, 475922, 713883, 1427766, 3093493, 6186986, 9280479, 18560958]

約数ペア:

[(1, 18560958), (2, 9280479), (3, 6186986), (6, 3093493), (13, 1427766), (26, 713883), (39, 475922), (47, 394914), (61, 304278), (78, 237961), (83, 223626), (94, 197457), (122, 152139), (141, 131638), (166, 111813), (183, 101426), (249, 74542), (282, 65819), (366, 50713), (498, 37271), (611, 30378), (793, 23406), (1079, 17202), (1222, 15189), (1586, 11703), (1833, 10126), (2158, 8601), (2379, 7802), (2867, 6474), (3237, 5734), (3666, 5063), (3901, 4758)]