19773040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 160

約数和(自身を含む): 58281984

約数和(自身を除く): 38508944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 67, 68, 70, 80, 85, 112, 119, 124, 134, 136, 140, 155, 170, 217, 238, 248, 268, 272, 280, 310, 335, 340, 434, 469, 476, 496, 527, 536, 560, 595, 620, 670, 680, 868, 938, 952, 1054, 1072, 1085, 1139, 1190, 1240, 1340, 1360, 1736, 1876, 1904, 2077, 2108, 2170, 2278, 2345, 2380, 2480, 2635, 2680, 3472, 3689, 3752, 4154, 4216, 4340, 4556, 4690, 4760, 5270, 5360, 5695, 7378, 7504, 7973, 8308, 8432, 8680, 9112, 9380, 9520, 10385, 10540, 11390, 14539, 14756, 15946, 16616, 17360, 18224, 18445, 18760, 20770, 21080, 22780, 29078, 29512, 31892, 33232, 35309, 36890, 37520, 39865, 41540, 42160, 45560, 58156, 59024, 63784, 70618, 72695, 73780, 79730, 83080, 91120, 116312, 127568, 141236, 145390, 147560, 159460, 166160, 176545, 232624, 247163, 282472, 290780, 295120, 318920, 353090, 494326, 564944, 581560, 637840, 706180, 988652, 1163120, 1235815, 1412360, 1977304, 2471630, 2824720, 3954608, 4943260, 9886520, 19773040]

約数ペア:

[(1, 19773040), (2, 9886520), (4, 4943260), (5, 3954608), (7, 2824720), (8, 2471630), (10, 1977304), (14, 1412360), (16, 1235815), (17, 1163120), (20, 988652), (28, 706180), (31, 637840), (34, 581560), (35, 564944), (40, 494326), (56, 353090), (62, 318920), (67, 295120), (68, 290780), (70, 282472), (80, 247163), (85, 232624), (112, 176545), (119, 166160), (124, 159460), (134, 147560), (136, 145390), (140, 141236), (155, 127568), (170, 116312), (217, 91120), (238, 83080), (248, 79730), (268, 73780), (272, 72695), (280, 70618), (310, 63784), (335, 59024), (340, 58156), (434, 45560), (469, 42160), (476, 41540), (496, 39865), (527, 37520), (536, 36890), (560, 35309), (595, 33232), (620, 31892), (670, 29512), (680, 29078), (868, 22780), (938, 21080), (952, 20770), (1054, 18760), (1072, 18445), (1085, 18224), (1139, 17360), (1190, 16616), (1240, 15946), (1340, 14756), (1360, 14539), (1736, 11390), (1876, 10540), (1904, 10385), (2077, 9520), (2108, 9380), (2170, 9112), (2278, 8680), (2345, 8432), (2380, 8308), (2480, 7973), (2635, 7504), (2680, 7378), (3472, 5695), (3689, 5360), (3752, 5270), (4154, 4760), (4216, 4690), (4340, 4556)]