18423420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1543}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 51878400

約数和(自身を除く): 33454980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1543, 1990, 2388, 2985, 3086, 3980, 4629, 5970, 6172, 7715, 9258, 11940, 15430, 18516, 23145, 30860, 46290, 92580, 307057, 614114, 921171, 1228228, 1535285, 1842342, 3070570, 3684684, 4605855, 6141140, 9211710, 18423420]

約数ペア:

[(1, 18423420), (2, 9211710), (3, 6141140), (4, 4605855), (5, 3684684), (6, 3070570), (10, 1842342), (12, 1535285), (15, 1228228), (20, 921171), (30, 614114), (60, 307057), (199, 92580), (398, 46290), (597, 30860), (796, 23145), (995, 18516), (1194, 15430), (1543, 11940), (1990, 9258), (2388, 7715), (2985, 6172), (3086, 5970), (3980, 4629)]