18975808

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 56

約数和(自身を含む): 40489632

約数和(自身を除く): 21513824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 107, 136, 163, 214, 272, 326, 428, 544, 652, 856, 1088, 1304, 1712, 1819, 2608, 2771, 3424, 3638, 5216, 5542, 6848, 7276, 10432, 11084, 14552, 17441, 22168, 29104, 34882, 44336, 58208, 69764, 88672, 116416, 139528, 177344, 279056, 296497, 558112, 592994, 1116224, 1185988, 2371976, 4743952, 9487904, 18975808]

約数ペア:

[(1, 18975808), (2, 9487904), (4, 4743952), (8, 2371976), (16, 1185988), (17, 1116224), (32, 592994), (34, 558112), (64, 296497), (68, 279056), (107, 177344), (136, 139528), (163, 116416), (214, 88672), (272, 69764), (326, 58208), (428, 44336), (544, 34882), (652, 29104), (856, 22168), (1088, 17441), (1304, 14552), (1712, 11084), (1819, 10432), (2608, 7276), (2771, 6848), (3424, 5542), (3638, 5216)]