19621368

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20963}}^1$

素因数の和:20988

約数の個数: 48

約数和(自身を含む): 57231720

約数和(自身を除く): 37610352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20963, 41926, 62889, 83852, 125778, 167704, 188667, 251556, 272519, 377334, 503112, 545038, 754668, 817557, 1090076, 1509336, 1635114, 2180152, 2452671, 3270228, 4905342, 6540456, 9810684, 19621368]

約数ペア:

[(1, 19621368), (2, 9810684), (3, 6540456), (4, 4905342), (6, 3270228), (8, 2452671), (9, 2180152), (12, 1635114), (13, 1509336), (18, 1090076), (24, 817557), (26, 754668), (36, 545038), (39, 503112), (52, 377334), (72, 272519), (78, 251556), (104, 188667), (117, 167704), (156, 125778), (234, 83852), (312, 62889), (468, 41926), (936, 20963)]