18220930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20023}}^1$

素因数の和:20050

約数の個数: 32

約数和(自身を含む): 40368384

約数和(自身を除く): 22147454

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20023, 40046, 100115, 140161, 200230, 260299, 280322, 520598, 700805, 1301495, 1401610, 1822093, 2602990, 3644186, 9110465, 18220930]

約数ペア:

[(1, 18220930), (2, 9110465), (5, 3644186), (7, 2602990), (10, 1822093), (13, 1401610), (14, 1301495), (26, 700805), (35, 520598), (65, 280322), (70, 260299), (91, 200230), (130, 140161), (182, 100115), (455, 40046), (910, 20023)]