16118740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 37848384

約数和(自身を除く): 21729644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1787, 1804, 2255, 3574, 4510, 7148, 8935, 9020, 17870, 19657, 35740, 39314, 73267, 78628, 98285, 146534, 196570, 293068, 366335, 393140, 732670, 805937, 1465340, 1611874, 3223748, 4029685, 8059370, 16118740]

約数ペア:

[(1, 16118740), (2, 8059370), (4, 4029685), (5, 3223748), (10, 1611874), (11, 1465340), (20, 805937), (22, 732670), (41, 393140), (44, 366335), (55, 293068), (82, 196570), (110, 146534), (164, 98285), (205, 78628), (220, 73267), (410, 39314), (451, 35740), (820, 19657), (902, 17870), (1787, 9020), (1804, 8935), (2255, 7148), (3574, 4510)]