19282000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 80

約数和(自身を含む): 48282624

約数和(自身を除く): 29000624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 311, 400, 496, 500, 620, 622, 775, 1000, 1240, 1244, 1550, 1555, 2000, 2480, 2488, 3100, 3110, 3875, 4976, 6200, 6220, 7750, 7775, 9641, 12400, 12440, 15500, 15550, 19282, 24880, 31000, 31100, 38564, 38875, 48205, 62000, 62200, 77128, 77750, 96410, 124400, 154256, 155500, 192820, 241025, 311000, 385640, 482050, 622000, 771280, 964100, 1205125, 1928200, 2410250, 3856400, 4820500, 9641000, 19282000]

約数ペア:

[(1, 19282000), (2, 9641000), (4, 4820500), (5, 3856400), (8, 2410250), (10, 1928200), (16, 1205125), (20, 964100), (25, 771280), (31, 622000), (40, 482050), (50, 385640), (62, 311000), (80, 241025), (100, 192820), (124, 155500), (125, 154256), (155, 124400), (200, 96410), (248, 77750), (250, 77128), (310, 62200), (311, 62000), (400, 48205), (496, 38875), (500, 38564), (620, 31100), (622, 31000), (775, 24880), (1000, 19282), (1240, 15550), (1244, 15500), (1550, 12440), (1555, 12400), (2000, 9641), (2480, 7775), (2488, 7750), (3100, 6220), (3110, 6200), (3875, 4976)]