19807000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 48016800

約数和(自身を除く): 28209800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 683, 725, 1000, 1160, 1366, 1450, 2732, 2900, 3415, 3625, 5464, 5800, 6830, 7250, 13660, 14500, 17075, 19807, 27320, 29000, 34150, 39614, 68300, 79228, 85375, 99035, 136600, 158456, 170750, 198070, 341500, 396140, 495175, 683000, 792280, 990350, 1980700, 2475875, 3961400, 4951750, 9903500, 19807000]

約数ペア:

[(1, 19807000), (2, 9903500), (4, 4951750), (5, 3961400), (8, 2475875), (10, 1980700), (20, 990350), (25, 792280), (29, 683000), (40, 495175), (50, 396140), (58, 341500), (100, 198070), (116, 170750), (125, 158456), (145, 136600), (200, 99035), (232, 85375), (250, 79228), (290, 68300), (500, 39614), (580, 34150), (683, 29000), (725, 27320), (1000, 19807), (1160, 17075), (1366, 14500), (1450, 13660), (2732, 7250), (2900, 6830), (3415, 5800), (3625, 5464)]