17938648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 42477120

約数和(自身を除く): 24538472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 601, 728, 1066, 1148, 1202, 2132, 2296, 2404, 3731, 4207, 4264, 4808, 7462, 7813, 8414, 14924, 15626, 16828, 24641, 29848, 31252, 33656, 49282, 54691, 62504, 98564, 109382, 172487, 197128, 218764, 320333, 344974, 437528, 640666, 689948, 1281332, 1379896, 2242331, 2562664, 4484662, 8969324, 17938648]

約数ペア:

[(1, 17938648), (2, 8969324), (4, 4484662), (7, 2562664), (8, 2242331), (13, 1379896), (14, 1281332), (26, 689948), (28, 640666), (41, 437528), (52, 344974), (56, 320333), (82, 218764), (91, 197128), (104, 172487), (164, 109382), (182, 98564), (287, 62504), (328, 54691), (364, 49282), (533, 33656), (574, 31252), (601, 29848), (728, 24641), (1066, 16828), (1148, 15626), (1202, 14924), (2132, 8414), (2296, 7813), (2404, 7462), (3731, 4808), (4207, 4264)]