18666060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{907}}^1$

素因数の和:940

約数の個数: 96

約数和(自身を含む): 61017600

約数和(自身を除く): 42351540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 907, 980, 1029, 1372, 1470, 1715, 1814, 2058, 2721, 2940, 3430, 3628, 4116, 4535, 5145, 5442, 6349, 6860, 9070, 10290, 10884, 12698, 13605, 18140, 19047, 20580, 25396, 27210, 31745, 38094, 44443, 54420, 63490, 76188, 88886, 95235, 126980, 133329, 177772, 190470, 222215, 266658, 311101, 380940, 444430, 533316, 622202, 666645, 888860, 933303, 1244404, 1333290, 1555505, 1866606, 2666580, 3111010, 3733212, 4666515, 6222020, 9333030, 18666060]

約数ペア:

[(1, 18666060), (2, 9333030), (3, 6222020), (4, 4666515), (5, 3733212), (6, 3111010), (7, 2666580), (10, 1866606), (12, 1555505), (14, 1333290), (15, 1244404), (20, 933303), (21, 888860), (28, 666645), (30, 622202), (35, 533316), (42, 444430), (49, 380940), (60, 311101), (70, 266658), (84, 222215), (98, 190470), (105, 177772), (140, 133329), (147, 126980), (196, 95235), (210, 88886), (245, 76188), (294, 63490), (343, 54420), (420, 44443), (490, 38094), (588, 31745), (686, 27210), (735, 25396), (907, 20580), (980, 19047), (1029, 18140), (1372, 13605), (1470, 12698), (1715, 10884), (1814, 10290), (2058, 9070), (2721, 6860), (2940, 6349), (3430, 5442), (3628, 5145), (4116, 4535)]