18337900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 50996736

約数和(自身を除く): 32658836

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 25, 28, 34, 35, 46, 50, 67, 68, 70, 85, 92, 100, 115, 119, 134, 140, 161, 170, 175, 230, 238, 268, 322, 335, 340, 350, 391, 425, 460, 469, 476, 575, 595, 644, 670, 700, 782, 805, 850, 938, 1139, 1150, 1190, 1340, 1541, 1564, 1610, 1675, 1700, 1876, 1955, 2278, 2300, 2345, 2380, 2737, 2975, 3082, 3220, 3350, 3910, 4025, 4556, 4690, 5474, 5695, 5950, 6164, 6700, 7705, 7820, 7973, 8050, 9380, 9775, 10787, 10948, 11390, 11725, 11900, 13685, 15410, 15946, 16100, 19550, 21574, 22780, 23450, 26197, 27370, 28475, 30820, 31892, 38525, 39100, 39865, 43148, 46900, 52394, 53935, 54740, 56950, 68425, 77050, 79730, 104788, 107870, 113900, 130985, 136850, 154100, 159460, 183379, 199325, 215740, 261970, 269675, 273700, 366758, 398650, 523940, 539350, 654925, 733516, 797300, 916895, 1078700, 1309850, 1833790, 2619700, 3667580, 4584475, 9168950, 18337900]

約数ペア:

[(1, 18337900), (2, 9168950), (4, 4584475), (5, 3667580), (7, 2619700), (10, 1833790), (14, 1309850), (17, 1078700), (20, 916895), (23, 797300), (25, 733516), (28, 654925), (34, 539350), (35, 523940), (46, 398650), (50, 366758), (67, 273700), (68, 269675), (70, 261970), (85, 215740), (92, 199325), (100, 183379), (115, 159460), (119, 154100), (134, 136850), (140, 130985), (161, 113900), (170, 107870), (175, 104788), (230, 79730), (238, 77050), (268, 68425), (322, 56950), (335, 54740), (340, 53935), (350, 52394), (391, 46900), (425, 43148), (460, 39865), (469, 39100), (476, 38525), (575, 31892), (595, 30820), (644, 28475), (670, 27370), (700, 26197), (782, 23450), (805, 22780), (850, 21574), (938, 19550), (1139, 16100), (1150, 15946), (1190, 15410), (1340, 13685), (1541, 11900), (1564, 11725), (1610, 11390), (1675, 10948), (1700, 10787), (1876, 9775), (1955, 9380), (2278, 8050), (2300, 7973), (2345, 7820), (2380, 7705), (2737, 6700), (2975, 6164), (3082, 5950), (3220, 5695), (3350, 5474), (3910, 4690), (4025, 4556)]