19120020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1429}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 34693740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1429, 2230, 2676, 2858, 3345, 4287, 4460, 5716, 6690, 7145, 8574, 13380, 14290, 17148, 21435, 28580, 42870, 85740, 318667, 637334, 956001, 1274668, 1593335, 1912002, 3186670, 3824004, 4780005, 6373340, 9560010, 19120020]

約数ペア:

[(1, 19120020), (2, 9560010), (3, 6373340), (4, 4780005), (5, 3824004), (6, 3186670), (10, 1912002), (12, 1593335), (15, 1274668), (20, 956001), (30, 637334), (60, 318667), (223, 85740), (446, 42870), (669, 28580), (892, 21435), (1115, 17148), (1338, 14290), (1429, 13380), (2230, 8574), (2676, 7145), (2858, 6690), (3345, 5716), (4287, 4460)]