18591196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 38133760

約数和(自身を除く): 19542564

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 607, 806, 988, 1178, 1214, 1612, 2356, 2428, 7657, 7891, 11533, 15314, 15782, 18817, 23066, 30628, 31564, 37634, 46132, 75268, 149929, 244621, 299858, 357523, 489242, 599716, 715046, 978484, 1430092, 4647799, 9295598, 18591196]

約数ペア:

[(1, 18591196), (2, 9295598), (4, 4647799), (13, 1430092), (19, 978484), (26, 715046), (31, 599716), (38, 489242), (52, 357523), (62, 299858), (76, 244621), (124, 149929), (247, 75268), (403, 46132), (494, 37634), (589, 31564), (607, 30628), (806, 23066), (988, 18817), (1178, 15782), (1214, 15314), (1612, 11533), (2356, 7891), (2428, 7657)]