19738740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46997}}^1$

素因数の和:47016

約数の個数: 48

約数和(自身を含む): 63165312

約数和(自身を除く): 43426572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46997, 93994, 140991, 187988, 234985, 281982, 328979, 469970, 563964, 657958, 704955, 939940, 986937, 1315916, 1409910, 1644895, 1973874, 2819820, 3289790, 3947748, 4934685, 6579580, 9869370, 19738740]

約数ペア:

[(1, 19738740), (2, 9869370), (3, 6579580), (4, 4934685), (5, 3947748), (6, 3289790), (7, 2819820), (10, 1973874), (12, 1644895), (14, 1409910), (15, 1315916), (20, 986937), (21, 939940), (28, 704955), (30, 657958), (35, 563964), (42, 469970), (60, 328979), (70, 281982), (84, 234985), (105, 187988), (140, 140991), (210, 93994), (420, 46997)]