19538200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 31083560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 83, 88, 100, 107, 110, 166, 200, 214, 220, 275, 332, 415, 428, 440, 535, 550, 664, 830, 856, 913, 1070, 1100, 1177, 1660, 1826, 2075, 2140, 2200, 2354, 2675, 3320, 3652, 4150, 4280, 4565, 4708, 5350, 5885, 7304, 8300, 8881, 9130, 9416, 10700, 11770, 16600, 17762, 18260, 21400, 22825, 23540, 29425, 35524, 36520, 44405, 45650, 47080, 58850, 71048, 88810, 91300, 97691, 117700, 177620, 182600, 195382, 222025, 235400, 355240, 390764, 444050, 488455, 781528, 888100, 976910, 1776200, 1953820, 2442275, 3907640, 4884550, 9769100, 19538200]

約数ペア:

[(1, 19538200), (2, 9769100), (4, 4884550), (5, 3907640), (8, 2442275), (10, 1953820), (11, 1776200), (20, 976910), (22, 888100), (25, 781528), (40, 488455), (44, 444050), (50, 390764), (55, 355240), (83, 235400), (88, 222025), (100, 195382), (107, 182600), (110, 177620), (166, 117700), (200, 97691), (214, 91300), (220, 88810), (275, 71048), (332, 58850), (415, 47080), (428, 45650), (440, 44405), (535, 36520), (550, 35524), (664, 29425), (830, 23540), (856, 22825), (913, 21400), (1070, 18260), (1100, 17762), (1177, 16600), (1660, 11770), (1826, 10700), (2075, 9416), (2140, 9130), (2200, 8881), (2354, 8300), (2675, 7304), (3320, 5885), (3652, 5350), (4150, 4708), (4280, 4565)]