18654440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3919}}^1$

素因数の和:3954

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 32148760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3919, 4760, 7838, 15676, 19595, 27433, 31352, 39190, 54866, 66623, 78380, 109732, 133246, 137165, 156760, 219464, 266492, 274330, 333115, 466361, 532984, 548660, 666230, 932722, 1097320, 1332460, 1865444, 2331805, 2664920, 3730888, 4663610, 9327220, 18654440]

約数ペア:

[(1, 18654440), (2, 9327220), (4, 4663610), (5, 3730888), (7, 2664920), (8, 2331805), (10, 1865444), (14, 1332460), (17, 1097320), (20, 932722), (28, 666230), (34, 548660), (35, 532984), (40, 466361), (56, 333115), (68, 274330), (70, 266492), (85, 219464), (119, 156760), (136, 137165), (140, 133246), (170, 109732), (238, 78380), (280, 66623), (340, 54866), (476, 39190), (595, 31352), (680, 27433), (952, 19595), (1190, 15676), (2380, 7838), (3919, 4760)]