19805688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13099}}^1$

素因数の和:13121

約数の個数: 64

約数和(自身を含む): 62880000

約数和(自身を除く): 43074312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13099, 26198, 39297, 52396, 78594, 91693, 104792, 117891, 157188, 183386, 235782, 275079, 314376, 353673, 366772, 471564, 550158, 707346, 733544, 825237, 943128, 1100316, 1414692, 1650474, 2200632, 2475711, 2829384, 3300948, 4951422, 6601896, 9902844, 19805688]

約数ペア:

[(1, 19805688), (2, 9902844), (3, 6601896), (4, 4951422), (6, 3300948), (7, 2829384), (8, 2475711), (9, 2200632), (12, 1650474), (14, 1414692), (18, 1100316), (21, 943128), (24, 825237), (27, 733544), (28, 707346), (36, 550158), (42, 471564), (54, 366772), (56, 353673), (63, 314376), (72, 275079), (84, 235782), (108, 183386), (126, 157188), (168, 117891), (189, 104792), (216, 91693), (252, 78594), (378, 52396), (504, 39297), (756, 26198), (1512, 13099)]