18803540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7069}}^1$

素因数の和:7104

約数の個数: 48

約数和(自身を含む): 47510400

約数和(自身を除く): 28706860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7069, 14138, 28276, 35345, 49483, 70690, 98966, 134311, 141380, 197932, 247415, 268622, 494830, 537244, 671555, 940177, 989660, 1343110, 1880354, 2686220, 3760708, 4700885, 9401770, 18803540]

約数ペア:

[(1, 18803540), (2, 9401770), (4, 4700885), (5, 3760708), (7, 2686220), (10, 1880354), (14, 1343110), (19, 989660), (20, 940177), (28, 671555), (35, 537244), (38, 494830), (70, 268622), (76, 247415), (95, 197932), (133, 141380), (140, 134311), (190, 98966), (266, 70690), (380, 49483), (532, 35345), (665, 28276), (1330, 14138), (2660, 7069)]