19763874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 47532420

約数和(自身を除く): 27768546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 89, 117, 146, 169, 178, 219, 234, 267, 338, 438, 507, 534, 657, 801, 949, 1014, 1157, 1314, 1521, 1602, 1898, 2314, 2847, 3042, 3471, 5694, 6497, 6942, 8541, 10413, 12337, 12994, 15041, 17082, 19491, 20826, 24674, 30082, 37011, 38982, 45123, 58473, 74022, 84461, 90246, 111033, 116946, 135369, 168922, 222066, 253383, 270738, 506766, 760149, 1097993, 1520298, 2195986, 3293979, 6587958, 9881937, 19763874]

約数ペア:

[(1, 19763874), (2, 9881937), (3, 6587958), (6, 3293979), (9, 2195986), (13, 1520298), (18, 1097993), (26, 760149), (39, 506766), (73, 270738), (78, 253383), (89, 222066), (117, 168922), (146, 135369), (169, 116946), (178, 111033), (219, 90246), (234, 84461), (267, 74022), (338, 58473), (438, 45123), (507, 38982), (534, 37011), (657, 30082), (801, 24674), (949, 20826), (1014, 19491), (1157, 17082), (1314, 15041), (1521, 12994), (1602, 12337), (1898, 10413), (2314, 8541), (2847, 6942), (3042, 6497), (3471, 5694)]