19239213

素因数分解:

$3^1\times 7^4\times {\mathrm{2671}}^1$

素因数の和:2702

約数の個数: 20

約数和(自身を含む): 29937088

約数和(自身を除く): 10697875

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2671, 7203, 8013, 18697, 56091, 130879, 392637, 916153, 2748459, 6413071, 19239213]

約数ペア:

[(1, 19239213), (3, 6413071), (7, 2748459), (21, 916153), (49, 392637), (147, 130879), (343, 56091), (1029, 18697), (2401, 8013), (2671, 7203)]