19647270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1097}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 51386400

約数和(自身を除く): 31739130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1097, 1194, 1791, 1990, 2194, 2985, 3291, 3582, 5485, 5970, 6582, 8955, 9873, 10970, 16455, 17910, 19746, 32910, 49365, 98730, 218303, 436606, 654909, 1091515, 1309818, 1964727, 2183030, 3274545, 3929454, 6549090, 9823635, 19647270]

約数ペア:

[(1, 19647270), (2, 9823635), (3, 6549090), (5, 3929454), (6, 3274545), (9, 2183030), (10, 1964727), (15, 1309818), (18, 1091515), (30, 654909), (45, 436606), (90, 218303), (199, 98730), (398, 49365), (597, 32910), (995, 19746), (1097, 17910), (1194, 16455), (1791, 10970), (1990, 9873), (2194, 8955), (2985, 6582), (3291, 5970), (3582, 5485)]