18355204

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1408

約数の個数: 36

約数和(自身を含む): 37920960

約数和(自身を除く): 19565756

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1319, 1988, 2638, 3479, 5276, 6958, 9233, 13916, 18466, 36932, 64631, 93649, 129262, 187298, 258524, 374596, 655543, 1311086, 2622172, 4588801, 9177602, 18355204]

約数ペア:

[(1, 18355204), (2, 9177602), (4, 4588801), (7, 2622172), (14, 1311086), (28, 655543), (49, 374596), (71, 258524), (98, 187298), (142, 129262), (196, 93649), (284, 64631), (497, 36932), (994, 18466), (1319, 13916), (1988, 9233), (2638, 6958), (3479, 5276)]