19394080

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 27417440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2579, 3760, 5158, 7520, 10316, 12895, 20632, 25790, 41264, 51580, 82528, 103160, 121213, 206320, 242426, 412640, 484852, 606065, 969704, 1212130, 1939408, 2424260, 3878816, 4848520, 9697040, 19394080]

約数ペア:

[(1, 19394080), (2, 9697040), (4, 4848520), (5, 3878816), (8, 2424260), (10, 1939408), (16, 1212130), (20, 969704), (32, 606065), (40, 484852), (47, 412640), (80, 242426), (94, 206320), (160, 121213), (188, 103160), (235, 82528), (376, 51580), (470, 41264), (752, 25790), (940, 20632), (1504, 12895), (1880, 10316), (2579, 7520), (3760, 5158)]