18740028

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 26418372

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 149, 188, 223, 282, 298, 446, 447, 564, 596, 669, 892, 894, 1338, 1788, 2676, 7003, 10481, 14006, 20962, 21009, 28012, 31443, 33227, 41924, 42018, 62886, 66454, 84036, 99681, 125772, 132908, 199362, 398724, 1561669, 3123338, 4685007, 6246676, 9370014, 18740028]

約数ペア:

[(1, 18740028), (2, 9370014), (3, 6246676), (4, 4685007), (6, 3123338), (12, 1561669), (47, 398724), (94, 199362), (141, 132908), (149, 125772), (188, 99681), (223, 84036), (282, 66454), (298, 62886), (446, 42018), (447, 41924), (564, 33227), (596, 31443), (669, 28012), (892, 21009), (894, 20962), (1338, 14006), (1788, 10481), (2676, 7003)]