18856556944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69325577}}^1$

素因数の和:69325602

約数の個数: 20

約数和(自身を含む): 38683672524

約数和(自身を除く): 19827115580

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69325577, 138651154, 277302308, 554604616, 1109209232, 1178534809, 2357069618, 4714139236, 9428278472, 18856556944]

約数ペア:

[(1, 18856556944), (2, 9428278472), (4, 4714139236), (8, 2357069618), (16, 1178534809), (17, 1109209232), (34, 554604616), (68, 277302308), (136, 138651154), (272, 69325577)]