18938276

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 20857564

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 83, 116, 166, 203, 281, 332, 406, 562, 581, 812, 1124, 1162, 1967, 2324, 2407, 3934, 4814, 7868, 8149, 9628, 16298, 16849, 23323, 32596, 33698, 46646, 57043, 67396, 93292, 114086, 163261, 228172, 326522, 653044, 676367, 1352734, 2705468, 4734569, 9469138, 18938276]

約数ペア:

[(1, 18938276), (2, 9469138), (4, 4734569), (7, 2705468), (14, 1352734), (28, 676367), (29, 653044), (58, 326522), (83, 228172), (116, 163261), (166, 114086), (203, 93292), (281, 67396), (332, 57043), (406, 46646), (562, 33698), (581, 32596), (812, 23323), (1124, 16849), (1162, 16298), (1967, 9628), (2324, 8149), (2407, 7868), (3934, 4814)]