19019668

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16453}}^1$

素因数の和:16491

約数の個数: 18

約数和(自身を含む): 35359646

約数和(自身を除く): 16339978

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16453, 32906, 65812, 279701, 559402, 1118804, 4754917, 9509834, 19019668]

約数ペア:

[(1, 19019668), (2, 9509834), (4, 4754917), (17, 1118804), (34, 559402), (68, 279701), (289, 65812), (578, 32906), (1156, 16453)]