18252280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2293}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 41292000

約数和(自身を除く): 23039720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 2293, 3980, 4586, 7960, 9172, 11465, 18344, 22930, 45860, 91720, 456307, 912614, 1825228, 2281535, 3650456, 4563070, 9126140, 18252280]

約数ペア:

[(1, 18252280), (2, 9126140), (4, 4563070), (5, 3650456), (8, 2281535), (10, 1825228), (20, 912614), (40, 456307), (199, 91720), (398, 45860), (796, 22930), (995, 18344), (1592, 11465), (1990, 9172), (2293, 7960), (3980, 4586)]