18672556

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20034644

約数列:

[1, 2, 4, 7, 14, 28, 59, 89, 118, 127, 178, 236, 254, 356, 413, 508, 623, 826, 889, 1246, 1652, 1778, 2492, 3556, 5251, 7493, 10502, 11303, 14986, 21004, 22606, 29972, 36757, 45212, 52451, 73514, 79121, 104902, 147028, 158242, 209804, 316484, 666877, 1333754, 2667508, 4668139, 9336278, 18672556]

約数ペア:

[(1, 18672556), (2, 9336278), (4, 4668139), (7, 2667508), (14, 1333754), (28, 666877), (59, 316484), (89, 209804), (118, 158242), (127, 147028), (178, 104902), (236, 79121), (254, 73514), (356, 52451), (413, 45212), (508, 36757), (623, 29972), (826, 22606), (889, 21004), (1246, 14986), (1652, 11303), (1778, 10502), (2492, 7493), (3556, 5251)]