18494790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 47485440

約数和(自身を除く): 28990650

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 426, 457, 570, 710, 914, 1065, 1349, 1371, 2130, 2285, 2698, 2742, 4047, 4570, 6745, 6855, 8094, 8683, 13490, 13710, 17366, 20235, 26049, 32447, 40470, 43415, 52098, 64894, 86830, 97341, 130245, 162235, 194682, 260490, 324470, 486705, 616493, 973410, 1232986, 1849479, 3082465, 3698958, 6164930, 9247395, 18494790]

約数ペア:

[(1, 18494790), (2, 9247395), (3, 6164930), (5, 3698958), (6, 3082465), (10, 1849479), (15, 1232986), (19, 973410), (30, 616493), (38, 486705), (57, 324470), (71, 260490), (95, 194682), (114, 162235), (142, 130245), (190, 97341), (213, 86830), (285, 64894), (355, 52098), (426, 43415), (457, 40470), (570, 32447), (710, 26049), (914, 20235), (1065, 17366), (1349, 13710), (1371, 13490), (2130, 8683), (2285, 8094), (2698, 6855), (2742, 6745), (4047, 4570)]