18758476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 19051604

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 61, 116, 122, 241, 244, 319, 482, 638, 671, 964, 1276, 1342, 1769, 2651, 2684, 3538, 5302, 6989, 7076, 10604, 13978, 14701, 19459, 27956, 29402, 38918, 58804, 76879, 77836, 153758, 161711, 307516, 323422, 426329, 646844, 852658, 1705316, 4689619, 9379238, 18758476]

約数ペア:

[(1, 18758476), (2, 9379238), (4, 4689619), (11, 1705316), (22, 852658), (29, 646844), (44, 426329), (58, 323422), (61, 307516), (116, 161711), (122, 153758), (241, 77836), (244, 76879), (319, 58804), (482, 38918), (638, 29402), (671, 27956), (964, 19459), (1276, 14701), (1342, 13978), (1769, 10604), (2651, 7076), (2684, 6989), (3538, 5302)]