18779408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51031}}^1$

素因数の和:51062

約数の個数: 20

約数和(自身を含む): 37967808

約数和(自身を除く): 19188400

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51031, 102062, 204124, 408248, 816496, 1173713, 2347426, 4694852, 9389704, 18779408]

約数ペア:

[(1, 18779408), (2, 9389704), (4, 4694852), (8, 2347426), (16, 1173713), (23, 816496), (46, 408248), (92, 204124), (184, 102062), (368, 51031)]