19838512

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 43425792

約数和(自身を除く): 23587280

約数列:

[1, 2, 4, 8, 16, 23, 31, 37, 46, 47, 62, 74, 92, 94, 124, 148, 184, 188, 248, 296, 368, 376, 496, 592, 713, 752, 851, 1081, 1147, 1426, 1457, 1702, 1739, 2162, 2294, 2852, 2914, 3404, 3478, 4324, 4588, 5704, 5828, 6808, 6956, 8648, 9176, 11408, 11656, 13616, 13912, 17296, 18352, 23312, 26381, 27824, 33511, 39997, 52762, 53909, 67022, 79994, 105524, 107818, 134044, 159988, 211048, 215636, 268088, 319976, 422096, 431272, 536176, 639952, 862544, 1239907, 2479814, 4959628, 9919256, 19838512]

約数ペア:

[(1, 19838512), (2, 9919256), (4, 4959628), (8, 2479814), (16, 1239907), (23, 862544), (31, 639952), (37, 536176), (46, 431272), (47, 422096), (62, 319976), (74, 268088), (92, 215636), (94, 211048), (124, 159988), (148, 134044), (184, 107818), (188, 105524), (248, 79994), (296, 67022), (368, 53909), (376, 52762), (496, 39997), (592, 33511), (713, 27824), (752, 26381), (851, 23312), (1081, 18352), (1147, 17296), (1426, 13912), (1457, 13616), (1702, 11656), (1739, 11408), (2162, 9176), (2294, 8648), (2852, 6956), (2914, 6808), (3404, 5828), (3478, 5704), (4324, 4588)]