18651256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39002040

約数和(自身を除く): 20350784

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 131, 148, 262, 296, 481, 524, 962, 1048, 1369, 1703, 1924, 2738, 3406, 3848, 4847, 5476, 6812, 9694, 10952, 13624, 17797, 19388, 35594, 38776, 63011, 71188, 126022, 142376, 179339, 252044, 358678, 504088, 717356, 1434712, 2331407, 4662814, 9325628, 18651256]

約数ペア:

[(1, 18651256), (2, 9325628), (4, 4662814), (8, 2331407), (13, 1434712), (26, 717356), (37, 504088), (52, 358678), (74, 252044), (104, 179339), (131, 142376), (148, 126022), (262, 71188), (296, 63011), (481, 38776), (524, 35594), (962, 19388), (1048, 17797), (1369, 13624), (1703, 10952), (1924, 9694), (2738, 6812), (3406, 5476), (3848, 4847)]