18379431

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^2$

素因数の和:292

約数の個数: 36

約数和(自身を含む): 32372496

約数和(自身を除く): 13993065

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 153, 357, 393, 917, 1071, 1179, 2227, 2751, 6681, 8253, 15589, 17161, 20043, 46767, 51483, 120127, 140301, 154449, 291737, 360381, 875211, 1081143, 2042159, 2625633, 6126477, 18379431]

約数ペア:

[(1, 18379431), (3, 6126477), (7, 2625633), (9, 2042159), (17, 1081143), (21, 875211), (51, 360381), (63, 291737), (119, 154449), (131, 140301), (153, 120127), (357, 51483), (393, 46767), (917, 20043), (1071, 17161), (1179, 15589), (2227, 8253), (2751, 6681)]