18181696

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:120

約数の個数: 63

約数和(自身を含む): 40044243

約数和(自身を除く): 21862547

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 169, 208, 328, 338, 416, 533, 656, 676, 832, 1066, 1312, 1352, 1681, 2132, 2624, 2704, 3362, 4264, 5408, 6724, 6929, 8528, 10816, 13448, 13858, 17056, 21853, 26896, 27716, 34112, 43706, 53792, 55432, 87412, 107584, 110864, 174824, 221728, 284089, 349648, 443456, 568178, 699296, 1136356, 1398592, 2272712, 4545424, 9090848, 18181696]

約数ペア:

[(1, 18181696), (2, 9090848), (4, 4545424), (8, 2272712), (13, 1398592), (16, 1136356), (26, 699296), (32, 568178), (41, 443456), (52, 349648), (64, 284089), (82, 221728), (104, 174824), (164, 110864), (169, 107584), (208, 87412), (328, 55432), (338, 53792), (416, 43706), (533, 34112), (656, 27716), (676, 26896), (832, 21853), (1066, 17056), (1312, 13858), (1352, 13448), (1681, 10816), (2132, 8528), (2624, 6929), (2704, 6724), (3362, 5408)]