19453590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 72

約数和(自身を含む): 54812160

約数和(自身を除く): 35358570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1279, 1521, 1690, 2535, 2558, 3042, 3837, 5070, 6395, 7605, 7674, 11511, 12790, 15210, 16627, 19185, 23022, 33254, 38370, 49881, 57555, 83135, 99762, 115110, 149643, 166270, 216151, 249405, 299286, 432302, 498810, 648453, 748215, 1080755, 1296906, 1496430, 1945359, 2161510, 3242265, 3890718, 6484530, 9726795, 19453590]

約数ペア:

[(1, 19453590), (2, 9726795), (3, 6484530), (5, 3890718), (6, 3242265), (9, 2161510), (10, 1945359), (13, 1496430), (15, 1296906), (18, 1080755), (26, 748215), (30, 648453), (39, 498810), (45, 432302), (65, 299286), (78, 249405), (90, 216151), (117, 166270), (130, 149643), (169, 115110), (195, 99762), (234, 83135), (338, 57555), (390, 49881), (507, 38370), (585, 33254), (845, 23022), (1014, 19185), (1170, 16627), (1279, 15210), (1521, 12790), (1690, 11511), (2535, 7674), (2558, 7605), (3042, 6395), (3837, 5070)]