18851567648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{32057}}^1$

素因数の和:32154

約数の個数: 96

約数和(自身を含む): 41879545344

約数和(自身を除く): 23027977696

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 47, 68, 92, 94, 136, 184, 188, 272, 368, 376, 391, 544, 736, 752, 782, 799, 1081, 1504, 1564, 1598, 2162, 3128, 3196, 4324, 6256, 6392, 8648, 12512, 12784, 17296, 18377, 25568, 32057, 34592, 36754, 64114, 73508, 128228, 147016, 256456, 294032, 512912, 544969, 588064, 737311, 1025824, 1089938, 1474622, 1506679, 2179876, 2949244, 3013358, 4359752, 5898488, 6026716, 8719504, 11796976, 12053432, 12534287, 17439008, 23593952, 24106864, 25068574, 25613543, 34653617, 48213728, 50137148, 51227086, 69307234, 100274296, 102454172, 138614468, 200548592, 204908344, 277228936, 401097184, 409816688, 554457872, 589111489, 819633376, 1108915744, 1178222978, 2356445956, 4712891912, 9425783824, 18851567648]

約数ペア:

[(1, 18851567648), (2, 9425783824), (4, 4712891912), (8, 2356445956), (16, 1178222978), (17, 1108915744), (23, 819633376), (32, 589111489), (34, 554457872), (46, 409816688), (47, 401097184), (68, 277228936), (92, 204908344), (94, 200548592), (136, 138614468), (184, 102454172), (188, 100274296), (272, 69307234), (368, 51227086), (376, 50137148), (391, 48213728), (544, 34653617), (736, 25613543), (752, 25068574), (782, 24106864), (799, 23593952), (1081, 17439008), (1504, 12534287), (1564, 12053432), (1598, 11796976), (2162, 8719504), (3128, 6026716), (3196, 5898488), (4324, 4359752), (6256, 3013358), (6392, 2949244), (8648, 2179876), (12512, 1506679), (12784, 1474622), (17296, 1089938), (18377, 1025824), (25568, 737311), (32057, 588064), (34592, 544969), (36754, 512912), (64114, 294032), (73508, 256456), (128228, 147016)]