18903846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242357}}^1$

素因数の和:242375

約数の個数: 16

約数和(自身を含む): 40716144

約数和(自身を除く): 21812298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242357, 484714, 727071, 1454142, 3150641, 6301282, 9451923, 18903846]

約数ペア:

[(1, 18903846), (2, 9451923), (3, 6301282), (6, 3150641), (13, 1454142), (26, 727071), (39, 484714), (78, 242357)]