18812668

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1882

約数の個数: 36

約数和(自身を含む): 39041352

約数和(自身を除く): 20228684

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 1811, 2597, 3622, 5194, 7244, 10388, 12677, 25354, 50708, 88739, 95983, 177478, 191966, 354956, 383932, 671881, 1343762, 2687524, 4703167, 9406334, 18812668]

約数ペア:

[(1, 18812668), (2, 9406334), (4, 4703167), (7, 2687524), (14, 1343762), (28, 671881), (49, 383932), (53, 354956), (98, 191966), (106, 177478), (196, 95983), (212, 88739), (371, 50708), (742, 25354), (1484, 12677), (1811, 10388), (2597, 7244), (3622, 5194)]