18224780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 43982400

約数和(自身を除く): 25757620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 373, 698, 746, 1396, 1492, 1745, 1865, 2443, 2611, 3490, 3730, 4886, 5222, 6980, 7460, 9772, 10444, 12215, 13055, 24430, 26110, 48860, 52220, 130177, 260354, 520708, 650885, 911239, 1301770, 1822478, 2603540, 3644956, 4556195, 9112390, 18224780]

約数ペア:

[(1, 18224780), (2, 9112390), (4, 4556195), (5, 3644956), (7, 2603540), (10, 1822478), (14, 1301770), (20, 911239), (28, 650885), (35, 520708), (70, 260354), (140, 130177), (349, 52220), (373, 48860), (698, 26110), (746, 24430), (1396, 13055), (1492, 12215), (1745, 10444), (1865, 9772), (2443, 7460), (2611, 6980), (3490, 5222), (3730, 4886)]