19681952

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20960608

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 127, 167, 232, 254, 334, 464, 508, 668, 928, 1016, 1336, 2032, 2672, 3683, 4064, 4843, 5344, 7366, 9686, 14732, 19372, 21209, 29464, 38744, 42418, 58928, 77488, 84836, 117856, 154976, 169672, 339344, 615061, 678688, 1230122, 2460244, 4920488, 9840976, 19681952]

約数ペア:

[(1, 19681952), (2, 9840976), (4, 4920488), (8, 2460244), (16, 1230122), (29, 678688), (32, 615061), (58, 339344), (116, 169672), (127, 154976), (167, 117856), (232, 84836), (254, 77488), (334, 58928), (464, 42418), (508, 38744), (668, 29464), (928, 21209), (1016, 19372), (1336, 14732), (2032, 9686), (2672, 7366), (3683, 5344), (4064, 4843)]