18247852

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 37836288

約数和(自身を除く): 19588436

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 137, 142, 268, 274, 284, 469, 497, 548, 938, 959, 994, 1876, 1918, 1988, 3836, 4757, 9179, 9514, 9727, 18358, 19028, 19454, 33299, 36716, 38908, 64253, 66598, 68089, 128506, 133196, 136178, 257012, 272356, 651709, 1303418, 2606836, 4561963, 9123926, 18247852]

約数ペア:

[(1, 18247852), (2, 9123926), (4, 4561963), (7, 2606836), (14, 1303418), (28, 651709), (67, 272356), (71, 257012), (134, 136178), (137, 133196), (142, 128506), (268, 68089), (274, 66598), (284, 64253), (469, 38908), (497, 36716), (548, 33299), (938, 19454), (959, 19028), (994, 18358), (1876, 9727), (1918, 9514), (1988, 9179), (3836, 4757)]