18639530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20483}}^1$

素因数の和:20510

約数の個数: 32

約数和(自身を含む): 41295744

約数和(自身を除く): 22656214

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20483, 40966, 102415, 143381, 204830, 266279, 286762, 532558, 716905, 1331395, 1433810, 1863953, 2662790, 3727906, 9319765, 18639530]

約数ペア:

[(1, 18639530), (2, 9319765), (5, 3727906), (7, 2662790), (10, 1863953), (13, 1433810), (14, 1331395), (26, 716905), (35, 532558), (65, 286762), (70, 266279), (91, 204830), (130, 143381), (182, 102415), (455, 40966), (910, 20483)]