19005470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 19202770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 121, 139, 226, 242, 278, 565, 605, 695, 1130, 1210, 1243, 1390, 1529, 2486, 3058, 6215, 7645, 12430, 13673, 15290, 15707, 16819, 27346, 31414, 33638, 68365, 78535, 84095, 136730, 157070, 168190, 172777, 345554, 863885, 1727770, 1900547, 3801094, 9502735, 19005470]

約数ペア:

[(1, 19005470), (2, 9502735), (5, 3801094), (10, 1900547), (11, 1727770), (22, 863885), (55, 345554), (110, 172777), (113, 168190), (121, 157070), (139, 136730), (226, 84095), (242, 78535), (278, 68365), (565, 33638), (605, 31414), (695, 27346), (1130, 16819), (1210, 15707), (1243, 15290), (1390, 13673), (1529, 12430), (2486, 7645), (3058, 6215)]