18411224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21505576

約数列:

[1, 2, 4, 8, 13, 23, 26, 43, 46, 52, 86, 92, 104, 172, 179, 184, 299, 344, 358, 559, 598, 716, 989, 1118, 1196, 1432, 1978, 2236, 2327, 2392, 3956, 4117, 4472, 4654, 7697, 7912, 8234, 9308, 12857, 15394, 16468, 18616, 25714, 30788, 32936, 51428, 53521, 61576, 100061, 102856, 107042, 177031, 200122, 214084, 354062, 400244, 428168, 708124, 800488, 1416248, 2301403, 4602806, 9205612, 18411224]

約数ペア:

[(1, 18411224), (2, 9205612), (4, 4602806), (8, 2301403), (13, 1416248), (23, 800488), (26, 708124), (43, 428168), (46, 400244), (52, 354062), (86, 214084), (92, 200122), (104, 177031), (172, 107042), (179, 102856), (184, 100061), (299, 61576), (344, 53521), (358, 51428), (559, 32936), (598, 30788), (716, 25714), (989, 18616), (1118, 16468), (1196, 15394), (1432, 12857), (1978, 9308), (2236, 8234), (2327, 7912), (2392, 7697), (3956, 4654), (4117, 4472)]