18419648

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 56

約数和(自身を含む): 39898320

約数和(自身を除く): 21478672

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 169, 208, 262, 338, 416, 524, 676, 832, 1048, 1352, 1703, 2096, 2197, 2704, 3406, 4192, 4394, 5408, 6812, 8384, 8788, 10816, 13624, 17576, 22139, 27248, 35152, 44278, 54496, 70304, 88556, 108992, 140608, 177112, 287807, 354224, 575614, 708448, 1151228, 1416896, 2302456, 4604912, 9209824, 18419648]

約数ペア:

[(1, 18419648), (2, 9209824), (4, 4604912), (8, 2302456), (13, 1416896), (16, 1151228), (26, 708448), (32, 575614), (52, 354224), (64, 287807), (104, 177112), (131, 140608), (169, 108992), (208, 88556), (262, 70304), (338, 54496), (416, 44278), (524, 35152), (676, 27248), (832, 22139), (1048, 17576), (1352, 13624), (1703, 10816), (2096, 8788), (2197, 8384), (2704, 6812), (3406, 5408), (4192, 4394)]