18708536

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 44271360

約数和(自身を除く): 25562824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 251, 308, 484, 502, 616, 847, 968, 1004, 1331, 1694, 1757, 2008, 2662, 2761, 3388, 3514, 5324, 5522, 6776, 7028, 9317, 10648, 11044, 14056, 18634, 19327, 22088, 30371, 37268, 38654, 60742, 74536, 77308, 121484, 154616, 212597, 242968, 334081, 425194, 668162, 850388, 1336324, 1700776, 2338567, 2672648, 4677134, 9354268, 18708536]

約数ペア:

[(1, 18708536), (2, 9354268), (4, 4677134), (7, 2672648), (8, 2338567), (11, 1700776), (14, 1336324), (22, 850388), (28, 668162), (44, 425194), (56, 334081), (77, 242968), (88, 212597), (121, 154616), (154, 121484), (242, 77308), (251, 74536), (308, 60742), (484, 38654), (502, 37268), (616, 30371), (847, 22088), (968, 19327), (1004, 18634), (1331, 14056), (1694, 11044), (1757, 10648), (2008, 9317), (2662, 7028), (2761, 6776), (3388, 5522), (3514, 5324)]