19768540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 26317220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1523, 2596, 3046, 3245, 6092, 6490, 7615, 12980, 15230, 16753, 30460, 33506, 67012, 83765, 89857, 167530, 179714, 335060, 359428, 449285, 898570, 988427, 1797140, 1976854, 3953708, 4942135, 9884270, 19768540]

約数ペア:

[(1, 19768540), (2, 9884270), (4, 4942135), (5, 3953708), (10, 1976854), (11, 1797140), (20, 988427), (22, 898570), (44, 449285), (55, 359428), (59, 335060), (110, 179714), (118, 167530), (220, 89857), (236, 83765), (295, 67012), (590, 33506), (649, 30460), (1180, 16753), (1298, 15230), (1523, 12980), (2596, 7615), (3046, 6490), (3245, 6092)]