19085170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 38895552

約数和(自身を除く): 19810382

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 491, 598, 845, 982, 1495, 1690, 2455, 2990, 3887, 4910, 6383, 7774, 11293, 12766, 19435, 22586, 31915, 38870, 56465, 63830, 82979, 112930, 146809, 165958, 293618, 414895, 734045, 829790, 1468090, 1908517, 3817034, 9542585, 19085170]

約数ペア:

[(1, 19085170), (2, 9542585), (5, 3817034), (10, 1908517), (13, 1468090), (23, 829790), (26, 734045), (46, 414895), (65, 293618), (115, 165958), (130, 146809), (169, 112930), (230, 82979), (299, 63830), (338, 56465), (491, 38870), (598, 31915), (845, 22586), (982, 19435), (1495, 12766), (1690, 11293), (2455, 7774), (2990, 6383), (3887, 4910)]