18994600

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 44801820

約数和(自身を除く): 25807220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1301, 1460, 1825, 2602, 2920, 3650, 5204, 6505, 7300, 10408, 13010, 14600, 26020, 32525, 52040, 65050, 94973, 130100, 189946, 260200, 379892, 474865, 759784, 949730, 1899460, 2374325, 3798920, 4748650, 9497300, 18994600]

約数ペア:

[(1, 18994600), (2, 9497300), (4, 4748650), (5, 3798920), (8, 2374325), (10, 1899460), (20, 949730), (25, 759784), (40, 474865), (50, 379892), (73, 260200), (100, 189946), (146, 130100), (200, 94973), (292, 65050), (365, 52040), (584, 32525), (730, 26020), (1301, 14600), (1460, 13010), (1825, 10408), (2602, 7300), (2920, 6505), (3650, 5204)]