19863764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2179}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 36257760

約数和(自身を除く): 16393996

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2179, 2279, 4358, 4558, 8716, 9116, 93697, 115487, 187394, 230974, 374788, 461948, 4965941, 9931882, 19863764]

約数ペア:

[(1, 19863764), (2, 9931882), (4, 4965941), (43, 461948), (53, 374788), (86, 230974), (106, 187394), (172, 115487), (212, 93697), (2179, 9116), (2279, 8716), (4358, 4558)]