19545100

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1066

約数の個数: 36

約数和(自身を含む): 42641368

約数和(自身を除く): 23096268

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 811, 964, 1205, 1622, 2410, 3244, 4055, 4820, 6025, 8110, 12050, 16220, 20275, 24100, 40550, 81100, 195451, 390902, 781804, 977255, 1954510, 3909020, 4886275, 9772550, 19545100]

約数ペア:

[(1, 19545100), (2, 9772550), (4, 4886275), (5, 3909020), (10, 1954510), (20, 977255), (25, 781804), (50, 390902), (100, 195451), (241, 81100), (482, 40550), (811, 24100), (964, 20275), (1205, 16220), (1622, 12050), (2410, 8110), (3244, 6025), (4055, 4820)]