18795112

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 42462720

約数和(自身を除く): 23667608

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 74, 94, 148, 188, 193, 259, 296, 329, 376, 386, 518, 658, 772, 1036, 1316, 1351, 1544, 1739, 2072, 2632, 2702, 3478, 5404, 6956, 7141, 9071, 10808, 12173, 13912, 14282, 18142, 24346, 28564, 36284, 48692, 49987, 57128, 63497, 72568, 97384, 99974, 126994, 199948, 253988, 335627, 399896, 507976, 671254, 1342508, 2349389, 2685016, 4698778, 9397556, 18795112]

約数ペア:

[(1, 18795112), (2, 9397556), (4, 4698778), (7, 2685016), (8, 2349389), (14, 1342508), (28, 671254), (37, 507976), (47, 399896), (56, 335627), (74, 253988), (94, 199948), (148, 126994), (188, 99974), (193, 97384), (259, 72568), (296, 63497), (329, 57128), (376, 49987), (386, 48692), (518, 36284), (658, 28564), (772, 24346), (1036, 18142), (1316, 14282), (1351, 13912), (1544, 12173), (1739, 10808), (2072, 9071), (2632, 7141), (2702, 6956), (3478, 5404)]