18894790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 16344890

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 229, 370, 446, 458, 1115, 1145, 2230, 2290, 8251, 8473, 16502, 16946, 41255, 42365, 51067, 82510, 84730, 102134, 255335, 510670, 1889479, 3778958, 9447395, 18894790]

約数ペア:

[(1, 18894790), (2, 9447395), (5, 3778958), (10, 1889479), (37, 510670), (74, 255335), (185, 102134), (223, 84730), (229, 82510), (370, 51067), (446, 42365), (458, 41255), (1115, 16946), (1145, 16502), (2230, 8473), (2290, 8251)]