19971150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 49842048

約数和(自身を除く): 29870898

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 211, 422, 631, 633, 1055, 1262, 1266, 1893, 2110, 3155, 3165, 3786, 5275, 6310, 6330, 9465, 10550, 15775, 15825, 18930, 31550, 31650, 47325, 94650, 133141, 266282, 399423, 665705, 798846, 1331410, 1997115, 3328525, 3994230, 6657050, 9985575, 19971150]

約数ペア:

[(1, 19971150), (2, 9985575), (3, 6657050), (5, 3994230), (6, 3328525), (10, 1997115), (15, 1331410), (25, 798846), (30, 665705), (50, 399423), (75, 266282), (150, 133141), (211, 94650), (422, 47325), (631, 31650), (633, 31550), (1055, 18930), (1262, 15825), (1266, 15775), (1893, 10550), (2110, 9465), (3155, 6330), (3165, 6310), (3786, 5275)]