19440729

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 16901031

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 1039, 1701, 2079, 2673, 3117, 6237, 7273, 9351, 11429, 18711, 21819, 28053, 34287, 65457, 80003, 84159, 102861, 196371, 240009, 252477, 308583, 589113, 720027, 925749, 1767339, 2160081, 2777247, 6480243, 19440729]

約数ペア:

[(1, 19440729), (3, 6480243), (7, 2777247), (9, 2160081), (11, 1767339), (21, 925749), (27, 720027), (33, 589113), (63, 308583), (77, 252477), (81, 240009), (99, 196371), (189, 102861), (231, 84159), (243, 80003), (297, 65457), (567, 34287), (693, 28053), (891, 21819), (1039, 18711), (1701, 11429), (2079, 9351), (2673, 7273), (3117, 6237)]