18381400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 43356600

約数和(自身を除く): 24975200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1259, 1460, 1825, 2518, 2920, 3650, 5036, 6295, 7300, 10072, 12590, 14600, 25180, 31475, 50360, 62950, 91907, 125900, 183814, 251800, 367628, 459535, 735256, 919070, 1838140, 2297675, 3676280, 4595350, 9190700, 18381400]

約数ペア:

[(1, 18381400), (2, 9190700), (4, 4595350), (5, 3676280), (8, 2297675), (10, 1838140), (20, 919070), (25, 735256), (40, 459535), (50, 367628), (73, 251800), (100, 183814), (146, 125900), (200, 91907), (292, 62950), (365, 50360), (584, 31475), (730, 25180), (1259, 14600), (1460, 12590), (1825, 10072), (2518, 7300), (2920, 6295), (3650, 5036)]