19329376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 42048720

約数和(自身を除く): 22719344

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 617, 712, 979, 1234, 1424, 1958, 2468, 2848, 3916, 4936, 6787, 7832, 9872, 13574, 15664, 19744, 27148, 31328, 54296, 54913, 108592, 109826, 217184, 219652, 439304, 604043, 878608, 1208086, 1757216, 2416172, 4832344, 9664688, 19329376]

約数ペア:

[(1, 19329376), (2, 9664688), (4, 4832344), (8, 2416172), (11, 1757216), (16, 1208086), (22, 878608), (32, 604043), (44, 439304), (88, 219652), (89, 217184), (176, 109826), (178, 108592), (352, 54913), (356, 54296), (617, 31328), (712, 27148), (979, 19744), (1234, 15664), (1424, 13574), (1958, 9872), (2468, 7832), (2848, 6787), (3916, 4936)]