18078944

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3343}}^1$

素因数の和:3379

約数の個数: 36

約数和(自身を含む): 38552976

約数和(自身を除く): 20474032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3343, 5408, 6686, 13372, 26744, 43459, 53488, 86918, 106976, 173836, 347672, 564967, 695344, 1129934, 1390688, 2259868, 4519736, 9039472, 18078944]

約数ペア:

[(1, 18078944), (2, 9039472), (4, 4519736), (8, 2259868), (13, 1390688), (16, 1129934), (26, 695344), (32, 564967), (52, 347672), (104, 173836), (169, 106976), (208, 86918), (338, 53488), (416, 43459), (676, 26744), (1352, 13372), (2704, 6686), (3343, 5408)]