18429112

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 38408040

約数和(自身を除く): 19978928

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 317, 338, 344, 559, 634, 676, 1118, 1268, 1352, 2236, 2536, 4121, 4472, 7267, 8242, 13631, 14534, 16484, 27262, 29068, 32968, 53573, 54524, 58136, 107146, 109048, 177203, 214292, 354406, 428584, 708812, 1417624, 2303639, 4607278, 9214556, 18429112]

約数ペア:

[(1, 18429112), (2, 9214556), (4, 4607278), (8, 2303639), (13, 1417624), (26, 708812), (43, 428584), (52, 354406), (86, 214292), (104, 177203), (169, 109048), (172, 107146), (317, 58136), (338, 54524), (344, 53573), (559, 32968), (634, 29068), (676, 27262), (1118, 16484), (1268, 14534), (1352, 13631), (2236, 8242), (2536, 7267), (4121, 4472)]