19328200

素因数分解:

$2^3\times 5^2\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 45237060

約数和(自身を除く): 25908860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 241, 401, 482, 802, 964, 1205, 1604, 1928, 2005, 2410, 3208, 4010, 4820, 6025, 8020, 9640, 10025, 12050, 16040, 20050, 24100, 40100, 48200, 80200, 96641, 193282, 386564, 483205, 773128, 966410, 1932820, 2416025, 3865640, 4832050, 9664100, 19328200]

約数ペア:

[(1, 19328200), (2, 9664100), (4, 4832050), (5, 3865640), (8, 2416025), (10, 1932820), (20, 966410), (25, 773128), (40, 483205), (50, 386564), (100, 193282), (200, 96641), (241, 80200), (401, 48200), (482, 40100), (802, 24100), (964, 20050), (1205, 16040), (1604, 12050), (1928, 10025), (2005, 9640), (2410, 8020), (3208, 6025), (4010, 4820)]