18728150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 40411104

約数和(自身を除く): 21682954

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 146, 175, 350, 365, 511, 730, 733, 1022, 1466, 1825, 2555, 3650, 3665, 5110, 5131, 7330, 10262, 12775, 18325, 25550, 25655, 36650, 51310, 53509, 107018, 128275, 256550, 267545, 374563, 535090, 749126, 1337725, 1872815, 2675450, 3745630, 9364075, 18728150]

約数ペア:

[(1, 18728150), (2, 9364075), (5, 3745630), (7, 2675450), (10, 1872815), (14, 1337725), (25, 749126), (35, 535090), (50, 374563), (70, 267545), (73, 256550), (146, 128275), (175, 107018), (350, 53509), (365, 51310), (511, 36650), (730, 25655), (733, 25550), (1022, 18325), (1466, 12775), (1825, 10262), (2555, 7330), (3650, 5131), (3665, 5110)]