19539810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 31565790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1091, 1194, 1791, 1990, 2182, 2985, 3273, 3582, 5455, 5970, 6546, 8955, 9819, 10910, 16365, 17910, 19638, 32730, 49095, 98190, 217109, 434218, 651327, 1085545, 1302654, 1953981, 2171090, 3256635, 3907962, 6513270, 9769905, 19539810]

約数ペア:

[(1, 19539810), (2, 9769905), (3, 6513270), (5, 3907962), (6, 3256635), (9, 2171090), (10, 1953981), (15, 1302654), (18, 1085545), (30, 651327), (45, 434218), (90, 217109), (199, 98190), (398, 49095), (597, 32730), (995, 19638), (1091, 17910), (1194, 16365), (1791, 10910), (1990, 9819), (2182, 8955), (2985, 6546), (3273, 5970), (3582, 5455)]