19542952

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 43403220

約数和(自身を除く): 23860268

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1553, 1573, 3106, 3146, 6212, 6292, 12424, 12584, 17083, 20189, 34166, 40378, 68332, 80756, 136664, 161512, 187913, 222079, 375826, 444158, 751652, 888316, 1503304, 1776632, 2442869, 4885738, 9771476, 19542952]

約数ペア:

[(1, 19542952), (2, 9771476), (4, 4885738), (8, 2442869), (11, 1776632), (13, 1503304), (22, 888316), (26, 751652), (44, 444158), (52, 375826), (88, 222079), (104, 187913), (121, 161512), (143, 136664), (242, 80756), (286, 68332), (484, 40378), (572, 34166), (968, 20189), (1144, 17083), (1553, 12584), (1573, 12424), (3106, 6292), (3146, 6212)]