19369328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21878032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 659, 668, 1318, 1336, 1837, 2636, 2672, 3674, 5272, 7249, 7348, 10544, 14498, 14696, 28996, 29392, 57992, 110053, 115984, 220106, 440212, 880424, 1210583, 1760848, 2421166, 4842332, 9684664, 19369328]

約数ペア:

[(1, 19369328), (2, 9684664), (4, 4842332), (8, 2421166), (11, 1760848), (16, 1210583), (22, 880424), (44, 440212), (88, 220106), (167, 115984), (176, 110053), (334, 57992), (659, 29392), (668, 28996), (1318, 14696), (1336, 14498), (1837, 10544), (2636, 7348), (2672, 7249), (3674, 5272)]