18909198

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1982

約数の個数: 72

約数和(自身を含む): 52018200

約数和(自身を除く): 33109002

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 1949, 3234, 3898, 4851, 5847, 9702, 11694, 13643, 17541, 21439, 27286, 35082, 40929, 42878, 64317, 81858, 95501, 122787, 128634, 150073, 191002, 192951, 245574, 286503, 300146, 385902, 450219, 573006, 859509, 900438, 1050511, 1350657, 1719018, 2101022, 2701314, 3151533, 6303066, 9454599, 18909198]

約数ペア:

[(1, 18909198), (2, 9454599), (3, 6303066), (6, 3151533), (7, 2701314), (9, 2101022), (11, 1719018), (14, 1350657), (18, 1050511), (21, 900438), (22, 859509), (33, 573006), (42, 450219), (49, 385902), (63, 300146), (66, 286503), (77, 245574), (98, 192951), (99, 191002), (126, 150073), (147, 128634), (154, 122787), (198, 95501), (231, 81858), (294, 64317), (441, 42878), (462, 40929), (539, 35082), (693, 27286), (882, 21439), (1078, 17541), (1386, 13643), (1617, 11694), (1949, 9702), (3234, 5847), (3898, 4851)]