19494356

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20724844

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1259, 2212, 2518, 3871, 5036, 7742, 8813, 15484, 17626, 35252, 61691, 99461, 123382, 198922, 246764, 397844, 696227, 1392454, 2784908, 4873589, 9747178, 19494356]

約数ペア:

[(1, 19494356), (2, 9747178), (4, 4873589), (7, 2784908), (14, 1392454), (28, 696227), (49, 397844), (79, 246764), (98, 198922), (158, 123382), (196, 99461), (316, 61691), (553, 35252), (1106, 17626), (1259, 15484), (2212, 8813), (2518, 7742), (3871, 5036)]