18266000

素因数分解:

$2^4\times 5^3\times {\mathrm{9133}}^1$

素因数の和:9156

約数の個数: 40

約数和(自身を含む): 44172024

約数和(自身を除く): 25906024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9133, 18266, 36532, 45665, 73064, 91330, 146128, 182660, 228325, 365320, 456650, 730640, 913300, 1141625, 1826600, 2283250, 3653200, 4566500, 9133000, 18266000]

約数ペア:

[(1, 18266000), (2, 9133000), (4, 4566500), (5, 3653200), (8, 2283250), (10, 1826600), (16, 1141625), (20, 913300), (25, 730640), (40, 456650), (50, 365320), (80, 228325), (100, 182660), (125, 146128), (200, 91330), (250, 73064), (400, 45665), (500, 36532), (1000, 18266), (2000, 9133)]