18990570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3181}}^1$

素因数の和:3390

約数の個数: 32

約数和(自身を含む): 45820800

約数和(自身を除く): 26830230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3181, 5970, 6362, 9543, 15905, 19086, 31810, 47715, 95430, 633019, 1266038, 1899057, 3165095, 3798114, 6330190, 9495285, 18990570]

約数ペア:

[(1, 18990570), (2, 9495285), (3, 6330190), (5, 3798114), (6, 3165095), (10, 1899057), (15, 1266038), (30, 633019), (199, 95430), (398, 47715), (597, 31810), (995, 19086), (1194, 15905), (1990, 9543), (2985, 6362), (3181, 5970)]