19201329

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4549}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 32177600

約数和(自身を除く): 12976271

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4549, 13647, 31843, 40941, 95529, 286587, 304783, 914349, 2133481, 2743047, 6400443, 19201329]

約数ペア:

[(1, 19201329), (3, 6400443), (7, 2743047), (9, 2133481), (21, 914349), (63, 304783), (67, 286587), (201, 95529), (469, 40941), (603, 31843), (1407, 13647), (4221, 4549)]