19543678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 17994242

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 121, 139, 154, 166, 242, 278, 581, 847, 913, 973, 1162, 1529, 1694, 1826, 1946, 3058, 6391, 10043, 10703, 11537, 12782, 16819, 20086, 21406, 23074, 33638, 70301, 80759, 117733, 126907, 140602, 161518, 235466, 253814, 888349, 1395977, 1776698, 2791954, 9771839, 19543678]

約数ペア:

[(1, 19543678), (2, 9771839), (7, 2791954), (11, 1776698), (14, 1395977), (22, 888349), (77, 253814), (83, 235466), (121, 161518), (139, 140602), (154, 126907), (166, 117733), (242, 80759), (278, 70301), (581, 33638), (847, 23074), (913, 21406), (973, 20086), (1162, 16819), (1529, 12782), (1694, 11537), (1826, 10703), (1946, 10043), (3058, 6391)]