18991108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{14699}}^1$

素因数の和:14739

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 18052892

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 14699, 29398, 58796, 249883, 279281, 499766, 558562, 999532, 1117124, 4747777, 9495554, 18991108]

約数ペア:

[(1, 18991108), (2, 9495554), (4, 4747777), (17, 1117124), (19, 999532), (34, 558562), (38, 499766), (68, 279281), (76, 249883), (323, 58796), (646, 29398), (1292, 14699)]