18951548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 42491904

約数和(自身を除く): 23540356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1663, 2849, 3326, 5698, 6652, 11396, 11641, 18293, 23282, 36586, 46564, 61531, 73172, 123062, 128051, 246124, 256102, 430717, 512204, 676841, 861434, 1353682, 1722868, 2707364, 4737887, 9475774, 18951548]

約数ペア:

[(1, 18951548), (2, 9475774), (4, 4737887), (7, 2707364), (11, 1722868), (14, 1353682), (22, 861434), (28, 676841), (37, 512204), (44, 430717), (74, 256102), (77, 246124), (148, 128051), (154, 123062), (259, 73172), (308, 61531), (407, 46564), (518, 36586), (814, 23282), (1036, 18293), (1628, 11641), (1663, 11396), (2849, 6652), (3326, 5698)]