11813620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6491}}^1$

素因数の和:6520

約数の個数: 48

約数和(自身を含む): 30538368

約数和(自身を除く): 18724748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6491, 12982, 25964, 32455, 45437, 64910, 84383, 90874, 129820, 168766, 181748, 227185, 337532, 421915, 454370, 590681, 843830, 908740, 1181362, 1687660, 2362724, 2953405, 5906810, 11813620]

約数ペア:

[(1, 11813620), (2, 5906810), (4, 2953405), (5, 2362724), (7, 1687660), (10, 1181362), (13, 908740), (14, 843830), (20, 590681), (26, 454370), (28, 421915), (35, 337532), (52, 227185), (65, 181748), (70, 168766), (91, 129820), (130, 90874), (140, 84383), (182, 64910), (260, 45437), (364, 32455), (455, 25964), (910, 12982), (1820, 6491)]