19389255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^3\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 32736960

約数和(自身を除く): 13347705

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 841, 1537, 2523, 4205, 4611, 7685, 12615, 23055, 24389, 44573, 73167, 121945, 133719, 222865, 365835, 668595, 1292617, 3877851, 6463085, 19389255]

約数ペア:

[(1, 19389255), (3, 6463085), (5, 3877851), (15, 1292617), (29, 668595), (53, 365835), (87, 222865), (145, 133719), (159, 121945), (265, 73167), (435, 44573), (795, 24389), (841, 23055), (1537, 12615), (2523, 7685), (4205, 4611)]