18343600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{379}}^1$

素因数の和:419

約数の個数: 90

約数和(自身を含む): 48568940

約数和(自身を除く): 30225340

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 379, 400, 440, 484, 550, 605, 758, 880, 968, 1100, 1210, 1516, 1895, 1936, 2200, 2420, 3025, 3032, 3790, 4169, 4400, 4840, 6050, 6064, 7580, 8338, 9475, 9680, 12100, 15160, 16676, 18950, 20845, 24200, 30320, 33352, 37900, 41690, 45859, 48400, 66704, 75800, 83380, 91718, 104225, 151600, 166760, 183436, 208450, 229295, 333520, 366872, 416900, 458590, 733744, 833800, 917180, 1146475, 1667600, 1834360, 2292950, 3668720, 4585900, 9171800, 18343600]

約数ペア:

[(1, 18343600), (2, 9171800), (4, 4585900), (5, 3668720), (8, 2292950), (10, 1834360), (11, 1667600), (16, 1146475), (20, 917180), (22, 833800), (25, 733744), (40, 458590), (44, 416900), (50, 366872), (55, 333520), (80, 229295), (88, 208450), (100, 183436), (110, 166760), (121, 151600), (176, 104225), (200, 91718), (220, 83380), (242, 75800), (275, 66704), (379, 48400), (400, 45859), (440, 41690), (484, 37900), (550, 33352), (605, 30320), (758, 24200), (880, 20845), (968, 18950), (1100, 16676), (1210, 15160), (1516, 12100), (1895, 9680), (1936, 9475), (2200, 8338), (2420, 7580), (3025, 6064), (3032, 6050), (3790, 4840), (4169, 4400)]