18219110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20021}}^1$

素因数の和:20048

約数の個数: 32

約数和(自身を含む): 40364352

約数和(自身を除く): 22145242

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20021, 40042, 100105, 140147, 200210, 260273, 280294, 520546, 700735, 1301365, 1401470, 1821911, 2602730, 3643822, 9109555, 18219110]

約数ペア:

[(1, 18219110), (2, 9109555), (5, 3643822), (7, 2602730), (10, 1821911), (13, 1401470), (14, 1301365), (26, 700735), (35, 520546), (65, 280294), (70, 260273), (91, 200210), (130, 140147), (182, 100105), (455, 40042), (910, 20021)]