18673884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 33217956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1187, 1311, 1748, 2374, 2622, 3561, 3933, 4748, 5244, 7122, 7866, 10683, 14244, 15732, 21366, 22553, 27301, 42732, 45106, 54602, 67659, 81903, 90212, 109204, 135318, 163806, 202977, 245709, 270636, 327612, 405954, 491418, 518719, 811908, 982836, 1037438, 1556157, 2074876, 3112314, 4668471, 6224628, 9336942, 18673884]

約数ペア:

[(1, 18673884), (2, 9336942), (3, 6224628), (4, 4668471), (6, 3112314), (9, 2074876), (12, 1556157), (18, 1037438), (19, 982836), (23, 811908), (36, 518719), (38, 491418), (46, 405954), (57, 327612), (69, 270636), (76, 245709), (92, 202977), (114, 163806), (138, 135318), (171, 109204), (207, 90212), (228, 81903), (276, 67659), (342, 54602), (414, 45106), (437, 42732), (684, 27301), (828, 22553), (874, 21366), (1187, 15732), (1311, 14244), (1748, 10683), (2374, 7866), (2622, 7122), (3561, 5244), (3933, 4748)]