18524696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21132904

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 107, 134, 136, 152, 214, 268, 323, 428, 536, 646, 856, 1139, 1273, 1292, 1819, 2033, 2278, 2546, 2584, 3638, 4066, 4556, 5092, 7169, 7276, 8132, 9112, 10184, 14338, 14552, 16264, 21641, 28676, 34561, 43282, 57352, 69122, 86564, 121873, 136211, 138244, 173128, 243746, 272422, 276488, 487492, 544844, 974984, 1089688, 2315587, 4631174, 9262348, 18524696]

約数ペア:

[(1, 18524696), (2, 9262348), (4, 4631174), (8, 2315587), (17, 1089688), (19, 974984), (34, 544844), (38, 487492), (67, 276488), (68, 272422), (76, 243746), (107, 173128), (134, 138244), (136, 136211), (152, 121873), (214, 86564), (268, 69122), (323, 57352), (428, 43282), (536, 34561), (646, 28676), (856, 21641), (1139, 16264), (1273, 14552), (1292, 14338), (1819, 10184), (2033, 9112), (2278, 8132), (2546, 7276), (2584, 7169), (3638, 5092), (4066, 4556)]