18043984

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5243

約数の個数: 40

約数和(自身を含む): 41251328

約数和(自身を除く): 23207344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5197, 10394, 20788, 36379, 41576, 72758, 83152, 145516, 161107, 291032, 322214, 582064, 644428, 1127749, 1288856, 2255498, 2577712, 4510996, 9021992, 18043984]

約数ペア:

[(1, 18043984), (2, 9021992), (4, 4510996), (7, 2577712), (8, 2255498), (14, 1288856), (16, 1127749), (28, 644428), (31, 582064), (56, 322214), (62, 291032), (112, 161107), (124, 145516), (217, 83152), (248, 72758), (434, 41576), (496, 36379), (868, 20788), (1736, 10394), (3472, 5197)]