19207600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1598

約数の個数: 60

約数和(自身を含む): 47665600

約数和(自身を除く): 28458000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1549, 1550, 2480, 3098, 3100, 6196, 6200, 7745, 12392, 12400, 15490, 24784, 30980, 38725, 48019, 61960, 77450, 96038, 123920, 154900, 192076, 240095, 309800, 384152, 480190, 619600, 768304, 960380, 1200475, 1920760, 2400950, 3841520, 4801900, 9603800, 19207600]

約数ペア:

[(1, 19207600), (2, 9603800), (4, 4801900), (5, 3841520), (8, 2400950), (10, 1920760), (16, 1200475), (20, 960380), (25, 768304), (31, 619600), (40, 480190), (50, 384152), (62, 309800), (80, 240095), (100, 192076), (124, 154900), (155, 123920), (200, 96038), (248, 77450), (310, 61960), (400, 48019), (496, 38725), (620, 30980), (775, 24784), (1240, 15490), (1549, 12400), (1550, 12392), (2480, 7745), (3098, 6200), (3100, 6196)]