18519756

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 28049844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 1889, 2451, 3268, 3778, 4902, 5667, 7556, 9804, 11334, 22668, 35891, 71782, 81227, 107673, 143564, 162454, 215346, 243681, 324908, 430692, 487362, 974724, 1543313, 3086626, 4629939, 6173252, 9259878, 18519756]

約数ペア:

[(1, 18519756), (2, 9259878), (3, 6173252), (4, 4629939), (6, 3086626), (12, 1543313), (19, 974724), (38, 487362), (43, 430692), (57, 324908), (76, 243681), (86, 215346), (114, 162454), (129, 143564), (172, 107673), (228, 81227), (258, 71782), (516, 35891), (817, 22668), (1634, 11334), (1889, 9804), (2451, 7556), (3268, 5667), (3778, 4902)]