18806420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55313}}^1$

素因数の和:55339

約数の個数: 24

約数和(自身を含む): 41817384

約数和(自身を除く): 23010964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55313, 110626, 221252, 276565, 553130, 940321, 1106260, 1880642, 3761284, 4701605, 9403210, 18806420]

約数ペア:

[(1, 18806420), (2, 9403210), (4, 4701605), (5, 3761284), (10, 1880642), (17, 1106260), (20, 940321), (34, 553130), (68, 276565), (85, 221252), (170, 110626), (340, 55313)]