18795560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3533}}^1$

素因数の和:3570

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 32094040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3533, 5320, 7066, 14132, 17665, 24731, 28264, 35330, 49462, 67127, 70660, 98924, 123655, 134254, 141320, 197848, 247310, 268508, 335635, 469889, 494620, 537016, 671270, 939778, 989240, 1342540, 1879556, 2349445, 2685080, 3759112, 4698890, 9397780, 18795560]

約数ペア:

[(1, 18795560), (2, 9397780), (4, 4698890), (5, 3759112), (7, 2685080), (8, 2349445), (10, 1879556), (14, 1342540), (19, 989240), (20, 939778), (28, 671270), (35, 537016), (38, 494620), (40, 469889), (56, 335635), (70, 268508), (76, 247310), (95, 197848), (133, 141320), (140, 134254), (152, 123655), (190, 98924), (266, 70660), (280, 67127), (380, 49462), (532, 35330), (665, 28264), (760, 24731), (1064, 17665), (1330, 14132), (2660, 7066), (3533, 5320)]