18696038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12407962

約数列:

[1, 2, 19, 31, 38, 59, 62, 118, 269, 538, 589, 1121, 1178, 1829, 2242, 3658, 5111, 8339, 10222, 15871, 16678, 31742, 34751, 69502, 158441, 301549, 316882, 492001, 603098, 984002, 9348019, 18696038]

約数ペア:

[(1, 18696038), (2, 9348019), (19, 984002), (31, 603098), (38, 492001), (59, 316882), (62, 301549), (118, 158441), (269, 69502), (538, 34751), (589, 31742), (1121, 16678), (1178, 15871), (1829, 10222), (2242, 8339), (3658, 5111)]