19847178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 46879560

約数和(自身を除く): 27032382

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 953, 1157, 1602, 1906, 2314, 2859, 3471, 5718, 6942, 8577, 10413, 12389, 17154, 20826, 24778, 37167, 74334, 84817, 111501, 169634, 223002, 254451, 508902, 763353, 1102621, 1526706, 2205242, 3307863, 6615726, 9923589, 19847178]

約数ペア:

[(1, 19847178), (2, 9923589), (3, 6615726), (6, 3307863), (9, 2205242), (13, 1526706), (18, 1102621), (26, 763353), (39, 508902), (78, 254451), (89, 223002), (117, 169634), (178, 111501), (234, 84817), (267, 74334), (534, 37167), (801, 24778), (953, 20826), (1157, 17154), (1602, 12389), (1906, 10413), (2314, 8577), (2859, 6942), (3471, 5718)]