18963210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 52768512

約数和(自身を除く): 33805302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1237, 1533, 2190, 2474, 2555, 3066, 3711, 5110, 6185, 7422, 7665, 8659, 12370, 15330, 17318, 18555, 25977, 37110, 43295, 51954, 86590, 90301, 129885, 180602, 259770, 270903, 451505, 541806, 632107, 903010, 1264214, 1354515, 1896321, 2709030, 3160535, 3792642, 6321070, 9481605, 18963210]

約数ペア:

[(1, 18963210), (2, 9481605), (3, 6321070), (5, 3792642), (6, 3160535), (7, 2709030), (10, 1896321), (14, 1354515), (15, 1264214), (21, 903010), (30, 632107), (35, 541806), (42, 451505), (70, 270903), (73, 259770), (105, 180602), (146, 129885), (210, 90301), (219, 86590), (365, 51954), (438, 43295), (511, 37110), (730, 25977), (1022, 18555), (1095, 17318), (1237, 15330), (1533, 12370), (2190, 8659), (2474, 7665), (2555, 7422), (3066, 6185), (3711, 5110)]