18077878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15790922

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1399, 1846, 2798, 6461, 9793, 12922, 18187, 19586, 36374, 99329, 127309, 198658, 254618, 695303, 1291277, 1390606, 2582554, 9038939, 18077878]

約数ペア:

[(1, 18077878), (2, 9038939), (7, 2582554), (13, 1390606), (14, 1291277), (26, 695303), (71, 254618), (91, 198658), (142, 127309), (182, 99329), (497, 36374), (923, 19586), (994, 18187), (1399, 12922), (1846, 9793), (2798, 6461)]