18321992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5683}}^1$

素因数の和:5733

約数の個数: 32

約数和(自身を含む): 38196480

約数和(自身を除く): 19874488

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5683, 11366, 22732, 45464, 73879, 147758, 176173, 295516, 352346, 591032, 704692, 1409384, 2290249, 4580498, 9160996, 18321992]

約数ペア:

[(1, 18321992), (2, 9160996), (4, 4580498), (8, 2290249), (13, 1409384), (26, 704692), (31, 591032), (52, 352346), (62, 295516), (104, 176173), (124, 147758), (248, 73879), (403, 45464), (806, 22732), (1612, 11366), (3224, 5683)]