19487089492060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{642290359}}^1$

素因数の和:642290446

約数の個数: 48

約数和(自身を含む): 43054007411520

約数和(自身を除く): 23566917919460

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 6068, 7585, 15170, 30340, 642290359, 1284580718, 2569161436, 3211451795, 6422903590, 12845807180, 23764743283, 26333904719, 47529486566, 52667809438, 95058973132, 105335618876, 118823716415, 131669523595, 237647432830, 263339047190, 475294865660, 526678094380, 974354474603, 1948708949206, 3897417898412, 4871772373015, 9743544746030, 19487089492060]

約数ペア:

[(1, 19487089492060), (2, 9743544746030), (4, 4871772373015), (5, 3897417898412), (10, 1948708949206), (20, 974354474603), (37, 526678094380), (41, 475294865660), (74, 263339047190), (82, 237647432830), (148, 131669523595), (164, 118823716415), (185, 105335618876), (205, 95058973132), (370, 52667809438), (410, 47529486566), (740, 26333904719), (820, 23764743283), (1517, 12845807180), (3034, 6422903590), (6068, 3211451795), (7585, 2569161436), (15170, 1284580718), (30340, 642290359)]