18739616

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23717344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 311, 538, 622, 1076, 1244, 1883, 2152, 2177, 2488, 3766, 4304, 4354, 4976, 7532, 8608, 8708, 9952, 15064, 17416, 30128, 34832, 60256, 69664, 83659, 167318, 334636, 585613, 669272, 1171226, 1338544, 2342452, 2677088, 4684904, 9369808, 18739616]

約数ペア:

[(1, 18739616), (2, 9369808), (4, 4684904), (7, 2677088), (8, 2342452), (14, 1338544), (16, 1171226), (28, 669272), (32, 585613), (56, 334636), (112, 167318), (224, 83659), (269, 69664), (311, 60256), (538, 34832), (622, 30128), (1076, 17416), (1244, 15064), (1883, 9952), (2152, 8708), (2177, 8608), (2488, 7532), (3766, 4976), (4304, 4354)]