18890774

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 37797840

約数和(自身を除く): 18907066

約数列:

[1, 2, 7, 14, 17, 23, 29, 34, 46, 49, 58, 98, 119, 161, 203, 238, 289, 322, 391, 406, 493, 578, 667, 782, 833, 986, 1127, 1334, 1421, 1666, 2023, 2254, 2737, 2842, 3451, 4046, 4669, 5474, 6647, 6902, 8381, 9338, 11339, 13294, 14161, 16762, 19159, 22678, 24157, 28322, 32683, 38318, 46529, 48314, 58667, 65366, 79373, 93058, 117334, 158746, 192763, 325703, 385526, 410669, 555611, 651406, 821338, 1111222, 1349341, 2698682, 9445387, 18890774]

約数ペア:

[(1, 18890774), (2, 9445387), (7, 2698682), (14, 1349341), (17, 1111222), (23, 821338), (29, 651406), (34, 555611), (46, 410669), (49, 385526), (58, 325703), (98, 192763), (119, 158746), (161, 117334), (203, 93058), (238, 79373), (289, 65366), (322, 58667), (391, 48314), (406, 46529), (493, 38318), (578, 32683), (667, 28322), (782, 24157), (833, 22678), (986, 19159), (1127, 16762), (1334, 14161), (1421, 13294), (1666, 11339), (2023, 9338), (2254, 8381), (2737, 6902), (2842, 6647), (3451, 5474), (4046, 4669)]