18297440

素因数分解:

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

素因数の和:101

約数の個数: 144

約数和(自身を含む): 54050976

約数和(自身を除く): 35753536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 544, 560, 595, 620, 680, 868, 952, 961, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1736, 1904, 1922, 2108, 2170, 2380, 2480, 2635, 2720, 3472, 3689, 3808, 3844, 4216, 4340, 4760, 4805, 4960, 5270, 6727, 6944, 7378, 7688, 8432, 8680, 9520, 9610, 10540, 13454, 14756, 15376, 16337, 16864, 17360, 18445, 19040, 19220, 21080, 26908, 29512, 30752, 32674, 33635, 34720, 36890, 38440, 42160, 53816, 59024, 65348, 67270, 73780, 76880, 81685, 84320, 107632, 114359, 118048, 130696, 134540, 147560, 153760, 163370, 215264, 228718, 261392, 269080, 295120, 326740, 457436, 522784, 538160, 571795, 590240, 653480, 914872, 1076320, 1143590, 1306960, 1829744, 2287180, 2613920, 3659488, 4574360, 9148720, 18297440]

約数ペア:

[(1, 18297440), (2, 9148720), (4, 4574360), (5, 3659488), (7, 2613920), (8, 2287180), (10, 1829744), (14, 1306960), (16, 1143590), (17, 1076320), (20, 914872), (28, 653480), (31, 590240), (32, 571795), (34, 538160), (35, 522784), (40, 457436), (56, 326740), (62, 295120), (68, 269080), (70, 261392), (80, 228718), (85, 215264), (112, 163370), (119, 153760), (124, 147560), (136, 134540), (140, 130696), (155, 118048), (160, 114359), (170, 107632), (217, 84320), (224, 81685), (238, 76880), (248, 73780), (272, 67270), (280, 65348), (310, 59024), (340, 53816), (434, 42160), (476, 38440), (496, 36890), (527, 34720), (544, 33635), (560, 32674), (595, 30752), (620, 29512), (680, 26908), (868, 21080), (952, 19220), (961, 19040), (992, 18445), (1054, 17360), (1085, 16864), (1120, 16337), (1190, 15376), (1240, 14756), (1360, 13454), (1736, 10540), (1904, 9610), (1922, 9520), (2108, 8680), (2170, 8432), (2380, 7688), (2480, 7378), (2635, 6944), (2720, 6727), (3472, 5270), (3689, 4960), (3808, 4805), (3844, 4760), (4216, 4340)]