18548816

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 43205568

約数和(自身を除く): 24656752

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 67, 88, 104, 121, 134, 143, 176, 208, 242, 268, 286, 484, 536, 572, 737, 871, 968, 1072, 1144, 1331, 1474, 1573, 1742, 1936, 2288, 2662, 2948, 3146, 3484, 5324, 5896, 6292, 6968, 8107, 9581, 10648, 11792, 12584, 13936, 16214, 17303, 19162, 21296, 25168, 32428, 34606, 38324, 64856, 69212, 76648, 89177, 105391, 129712, 138424, 153296, 178354, 210782, 276848, 356708, 421564, 713416, 843128, 1159301, 1426832, 1686256, 2318602, 4637204, 9274408, 18548816]

約数ペア:

[(1, 18548816), (2, 9274408), (4, 4637204), (8, 2318602), (11, 1686256), (13, 1426832), (16, 1159301), (22, 843128), (26, 713416), (44, 421564), (52, 356708), (67, 276848), (88, 210782), (104, 178354), (121, 153296), (134, 138424), (143, 129712), (176, 105391), (208, 89177), (242, 76648), (268, 69212), (286, 64856), (484, 38324), (536, 34606), (572, 32428), (737, 25168), (871, 21296), (968, 19162), (1072, 17303), (1144, 16214), (1331, 13936), (1474, 12584), (1573, 11792), (1742, 10648), (1936, 9581), (2288, 8107), (2662, 6968), (2948, 6292), (3146, 5896), (3484, 5324)]