18643424

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 21173584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 272, 344, 544, 688, 731, 797, 1376, 1462, 1594, 2924, 3188, 5848, 6376, 11696, 12752, 13549, 23392, 25504, 27098, 34271, 54196, 68542, 108392, 137084, 216784, 274168, 433568, 548336, 582607, 1096672, 1165214, 2330428, 4660856, 9321712, 18643424]

約数ペア:

[(1, 18643424), (2, 9321712), (4, 4660856), (8, 2330428), (16, 1165214), (17, 1096672), (32, 582607), (34, 548336), (43, 433568), (68, 274168), (86, 216784), (136, 137084), (172, 108392), (272, 68542), (344, 54196), (544, 34271), (688, 27098), (731, 25504), (797, 23392), (1376, 13549), (1462, 12752), (1594, 11696), (2924, 6376), (3188, 5848)]