19166150

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 37162800

約数和(自身を除く): 17996650

約数列:

[1, 2, 5, 10, 25, 50, 59, 73, 89, 118, 146, 178, 295, 365, 445, 590, 730, 890, 1475, 1825, 2225, 2950, 3650, 4307, 4450, 5251, 6497, 8614, 10502, 12994, 21535, 26255, 32485, 43070, 52510, 64970, 107675, 131275, 162425, 215350, 262550, 324850, 383323, 766646, 1916615, 3833230, 9583075, 19166150]

約数ペア:

[(1, 19166150), (2, 9583075), (5, 3833230), (10, 1916615), (25, 766646), (50, 383323), (59, 324850), (73, 262550), (89, 215350), (118, 162425), (146, 131275), (178, 107675), (295, 64970), (365, 52510), (445, 43070), (590, 32485), (730, 26255), (890, 21535), (1475, 12994), (1825, 10502), (2225, 8614), (2950, 6497), (3650, 5251), (4307, 4450)]