18631228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22350020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 241, 251, 308, 482, 502, 964, 1004, 1687, 1757, 2651, 2761, 3374, 3514, 5302, 5522, 6748, 7028, 10604, 11044, 18557, 19327, 37114, 38654, 60491, 74228, 77308, 120982, 241964, 423437, 665401, 846874, 1330802, 1693748, 2661604, 4657807, 9315614, 18631228]

約数ペア:

[(1, 18631228), (2, 9315614), (4, 4657807), (7, 2661604), (11, 1693748), (14, 1330802), (22, 846874), (28, 665401), (44, 423437), (77, 241964), (154, 120982), (241, 77308), (251, 74228), (308, 60491), (482, 38654), (502, 37114), (964, 19327), (1004, 18557), (1687, 11044), (1757, 10604), (2651, 7028), (2761, 6748), (3374, 5522), (3514, 5302)]