19801552

素因数分解:

$2^4\times {\mathrm{983}}^1\times {\mathrm{1259}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 38435040

約数和(自身を除く): 18633488

約数列:

[1, 2, 4, 8, 16, 983, 1259, 1966, 2518, 3932, 5036, 7864, 10072, 15728, 20144, 1237597, 2475194, 4950388, 9900776, 19801552]

約数ペア:

[(1, 19801552), (2, 9900776), (4, 4950388), (8, 2475194), (16, 1237597), (983, 20144), (1259, 15728), (1966, 10072), (2518, 7864), (3932, 5036)]