18311580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14533}}^1$

素因数の和:14555

約数の個数: 72

約数和(自身を含む): 63484512

約数和(自身を除く): 45172932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14533, 29066, 43599, 58132, 72665, 87198, 101731, 130797, 145330, 174396, 203462, 217995, 261594, 290660, 305193, 406924, 435990, 508655, 523188, 610386, 653985, 871980, 915579, 1017310, 1220772, 1307970, 1525965, 1831158, 2034620, 2615940, 3051930, 3662316, 4577895, 6103860, 9155790, 18311580]

約数ペア:

[(1, 18311580), (2, 9155790), (3, 6103860), (4, 4577895), (5, 3662316), (6, 3051930), (7, 2615940), (9, 2034620), (10, 1831158), (12, 1525965), (14, 1307970), (15, 1220772), (18, 1017310), (20, 915579), (21, 871980), (28, 653985), (30, 610386), (35, 523188), (36, 508655), (42, 435990), (45, 406924), (60, 305193), (63, 290660), (70, 261594), (84, 217995), (90, 203462), (105, 174396), (126, 145330), (140, 130797), (180, 101731), (210, 87198), (252, 72665), (315, 58132), (420, 43599), (630, 29066), (1260, 14533)]