19724820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{601}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 55422528

約数和(自身を除く): 35697708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 601, 1094, 1202, 1641, 1803, 2188, 2404, 2735, 3005, 3282, 3606, 5470, 6010, 6564, 7212, 8205, 9015, 10940, 12020, 16410, 18030, 32820, 36060, 328747, 657494, 986241, 1314988, 1643735, 1972482, 3287470, 3944964, 4931205, 6574940, 9862410, 19724820]

約数ペア:

[(1, 19724820), (2, 9862410), (3, 6574940), (4, 4931205), (5, 3944964), (6, 3287470), (10, 1972482), (12, 1643735), (15, 1314988), (20, 986241), (30, 657494), (60, 328747), (547, 36060), (601, 32820), (1094, 18030), (1202, 16410), (1641, 12020), (1803, 10940), (2188, 9015), (2404, 8205), (2735, 7212), (3005, 6564), (3282, 6010), (3606, 5470)]