19171088

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 38985600

約数和(自身を除く): 19814512

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 523, 632, 1046, 1264, 2092, 2291, 4184, 4582, 8368, 9164, 15167, 18328, 30334, 36656, 41317, 60668, 82634, 121336, 165268, 242672, 330536, 661072, 1198193, 2396386, 4792772, 9585544, 19171088]

約数ペア:

[(1, 19171088), (2, 9585544), (4, 4792772), (8, 2396386), (16, 1198193), (29, 661072), (58, 330536), (79, 242672), (116, 165268), (158, 121336), (232, 82634), (316, 60668), (464, 41317), (523, 36656), (632, 30334), (1046, 18328), (1264, 15167), (2092, 9164), (2291, 8368), (4184, 4582)]