18874506

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 44963424

約数和(自身を除く): 26088918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1493, 1806, 2107, 2986, 4214, 4479, 6321, 8958, 10451, 12642, 20902, 31353, 62706, 64199, 73157, 128398, 146314, 192597, 219471, 385194, 438942, 449393, 898786, 1348179, 2696358, 3145751, 6291502, 9437253, 18874506]

約数ペア:

[(1, 18874506), (2, 9437253), (3, 6291502), (6, 3145751), (7, 2696358), (14, 1348179), (21, 898786), (42, 449393), (43, 438942), (49, 385194), (86, 219471), (98, 192597), (129, 146314), (147, 128398), (258, 73157), (294, 64199), (301, 62706), (602, 31353), (903, 20902), (1493, 12642), (1806, 10451), (2107, 8958), (2986, 6321), (4214, 4479)]