19863420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7754

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 37054980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7699, 15398, 23097, 30796, 38495, 46194, 76990, 92388, 115485, 153980, 230970, 331057, 461940, 662114, 993171, 1324228, 1655285, 1986342, 3310570, 3972684, 4965855, 6621140, 9931710, 19863420]

約数ペア:

[(1, 19863420), (2, 9931710), (3, 6621140), (4, 4965855), (5, 3972684), (6, 3310570), (10, 1986342), (12, 1655285), (15, 1324228), (20, 993171), (30, 662114), (43, 461940), (60, 331057), (86, 230970), (129, 153980), (172, 115485), (215, 92388), (258, 76990), (430, 46194), (516, 38495), (645, 30796), (860, 23097), (1290, 15398), (2580, 7699)]