19906898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 36073728

約数和(自身を除く): 16166830

約数列:

[1, 2, 11, 17, 22, 31, 34, 62, 101, 187, 202, 289, 341, 374, 527, 578, 682, 1054, 1111, 1717, 2222, 3131, 3179, 3434, 5797, 6262, 6358, 8959, 11594, 17918, 18887, 29189, 34441, 37774, 53227, 58378, 68882, 98549, 106454, 197098, 321079, 585497, 642158, 904859, 1170994, 1809718, 9953449, 19906898]

約数ペア:

[(1, 19906898), (2, 9953449), (11, 1809718), (17, 1170994), (22, 904859), (31, 642158), (34, 585497), (62, 321079), (101, 197098), (187, 106454), (202, 98549), (289, 68882), (341, 58378), (374, 53227), (527, 37774), (578, 34441), (682, 29189), (1054, 18887), (1111, 17918), (1717, 11594), (2222, 8959), (3131, 6358), (3179, 6262), (3434, 5797)]