19119430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2472

約数の個数: 32

約数和(自身を含む): 38073888

約数和(自身を除く): 18954458

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2381, 4015, 4762, 8030, 11905, 23810, 26191, 52382, 130955, 173813, 261910, 347626, 869065, 1738130, 1911943, 3823886, 9559715, 19119430]

約数ペア:

[(1, 19119430), (2, 9559715), (5, 3823886), (10, 1911943), (11, 1738130), (22, 869065), (55, 347626), (73, 261910), (110, 173813), (146, 130955), (365, 52382), (730, 26191), (803, 23810), (1606, 11905), (2381, 8030), (4015, 4762)]