19404800

素因数分解:

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

素因数の和:411

約数の個数: 72

約数和(自身を含む): 48239100

約数和(自身を除く): 28834300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 379, 400, 512, 640, 758, 800, 1024, 1280, 1516, 1600, 1895, 2048, 2560, 3032, 3200, 3790, 5120, 6064, 6400, 7580, 9475, 10240, 12128, 12800, 15160, 18950, 24256, 25600, 30320, 37900, 48512, 51200, 60640, 75800, 97024, 121280, 151600, 194048, 242560, 303200, 388096, 485120, 606400, 776192, 970240, 1212800, 1940480, 2425600, 3880960, 4851200, 9702400, 19404800]

約数ペア:

[(1, 19404800), (2, 9702400), (4, 4851200), (5, 3880960), (8, 2425600), (10, 1940480), (16, 1212800), (20, 970240), (25, 776192), (32, 606400), (40, 485120), (50, 388096), (64, 303200), (80, 242560), (100, 194048), (128, 151600), (160, 121280), (200, 97024), (256, 75800), (320, 60640), (379, 51200), (400, 48512), (512, 37900), (640, 30320), (758, 25600), (800, 24256), (1024, 18950), (1280, 15160), (1516, 12800), (1600, 12128), (1895, 10240), (2048, 9475), (2560, 7580), (3032, 6400), (3200, 6064), (3790, 5120)]