18173806784

素因数分解:

$2^6\times 7^2\times {\mathrm{1709}}^1\times {\mathrm{3391}}^1$

素因数の和:5126

約数の個数: 84

約数和(自身を含む): 41988516480

約数和(自身を除く): 23814709696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 1709, 3136, 3391, 3418, 6782, 6836, 11963, 13564, 13672, 23737, 23926, 27128, 27344, 47474, 47852, 54256, 54688, 83741, 94948, 95704, 108512, 109376, 166159, 167482, 189896, 191408, 217024, 332318, 334964, 379792, 382816, 664636, 669928, 759584, 765632, 1329272, 1339856, 1519168, 2658544, 2679712, 5317088, 5359424, 5795219, 10634176, 11590438, 23180876, 40566533, 46361752, 81133066, 92723504, 162266132, 185447008, 283965731, 324532264, 370894016, 567931462, 649064528, 1135862924, 1298129056, 2271725848, 2596258112, 4543451696, 9086903392, 18173806784]

約数ペア:

[(1, 18173806784), (2, 9086903392), (4, 4543451696), (7, 2596258112), (8, 2271725848), (14, 1298129056), (16, 1135862924), (28, 649064528), (32, 567931462), (49, 370894016), (56, 324532264), (64, 283965731), (98, 185447008), (112, 162266132), (196, 92723504), (224, 81133066), (392, 46361752), (448, 40566533), (784, 23180876), (1568, 11590438), (1709, 10634176), (3136, 5795219), (3391, 5359424), (3418, 5317088), (6782, 2679712), (6836, 2658544), (11963, 1519168), (13564, 1339856), (13672, 1329272), (23737, 765632), (23926, 759584), (27128, 669928), (27344, 664636), (47474, 382816), (47852, 379792), (54256, 334964), (54688, 332318), (83741, 217024), (94948, 191408), (95704, 189896), (108512, 167482), (109376, 166159)]