19383870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 31834050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 389, 453, 755, 778, 906, 1167, 1510, 1661, 1945, 2265, 2334, 3322, 3890, 4279, 4530, 4983, 5835, 8305, 8558, 9966, 11670, 12837, 16610, 21395, 24915, 25674, 42790, 49830, 58739, 64185, 117478, 128370, 176217, 293695, 352434, 587390, 646129, 881085, 1292258, 1762170, 1938387, 3230645, 3876774, 6461290, 9691935, 19383870]

約数ペア:

[(1, 19383870), (2, 9691935), (3, 6461290), (5, 3876774), (6, 3230645), (10, 1938387), (11, 1762170), (15, 1292258), (22, 881085), (30, 646129), (33, 587390), (55, 352434), (66, 293695), (110, 176217), (151, 128370), (165, 117478), (302, 64185), (330, 58739), (389, 49830), (453, 42790), (755, 25674), (778, 24915), (906, 21395), (1167, 16610), (1510, 12837), (1661, 11670), (1945, 9966), (2265, 8558), (2334, 8305), (3322, 5835), (3890, 4983), (4279, 4530)]