18967214

素因数分解:

$2^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 34003200

約数和(自身を除く): 15035986

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 343, 602, 643, 686, 1286, 2107, 4214, 4501, 9002, 14749, 27649, 29498, 31507, 55298, 63014, 193543, 220549, 387086, 441098, 1354801, 2709602, 9483607, 18967214]

約数ペア:

[(1, 18967214), (2, 9483607), (7, 2709602), (14, 1354801), (43, 441098), (49, 387086), (86, 220549), (98, 193543), (301, 63014), (343, 55298), (602, 31507), (643, 29498), (686, 27649), (1286, 14749), (2107, 9002), (4214, 4501)]