19169072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 40320336

約数和(自身を除く): 21151264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 587, 628, 1174, 1256, 2041, 2348, 2512, 4082, 4696, 7631, 8164, 9392, 15262, 16328, 30524, 32656, 61048, 92159, 122096, 184318, 368636, 737272, 1198067, 1474544, 2396134, 4792268, 9584536, 19169072]

約数ペア:

[(1, 19169072), (2, 9584536), (4, 4792268), (8, 2396134), (13, 1474544), (16, 1198067), (26, 737272), (52, 368636), (104, 184318), (157, 122096), (208, 92159), (314, 61048), (587, 32656), (628, 30524), (1174, 16328), (1256, 15262), (2041, 9392), (2348, 8164), (2512, 7631), (4082, 4696)]