19976128

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 56

約数和(自身を含む): 42062400

約数和(自身を除く): 22086272

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 64, 94, 116, 188, 229, 232, 376, 458, 464, 752, 916, 928, 1363, 1504, 1832, 1856, 2726, 3008, 3664, 5452, 6641, 7328, 10763, 10904, 13282, 14656, 21526, 21808, 26564, 43052, 43616, 53128, 86104, 87232, 106256, 172208, 212512, 312127, 344416, 425024, 624254, 688832, 1248508, 2497016, 4994032, 9988064, 19976128]

約数ペア:

[(1, 19976128), (2, 9988064), (4, 4994032), (8, 2497016), (16, 1248508), (29, 688832), (32, 624254), (47, 425024), (58, 344416), (64, 312127), (94, 212512), (116, 172208), (188, 106256), (229, 87232), (232, 86104), (376, 53128), (458, 43616), (464, 43052), (752, 26564), (916, 21808), (928, 21526), (1363, 14656), (1504, 13282), (1832, 10904), (1856, 10763), (2726, 7328), (3008, 6641), (3664, 5452)]