19669328

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2955

約数の個数: 40

約数和(自身を含む): 44282880

約数和(自身を除く): 24613552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 2879, 3416, 5758, 6832, 11516, 20153, 23032, 40306, 46064, 80612, 161224, 175619, 322448, 351238, 702476, 1229333, 1404952, 2458666, 2809904, 4917332, 9834664, 19669328]

約数ペア:

[(1, 19669328), (2, 9834664), (4, 4917332), (7, 2809904), (8, 2458666), (14, 1404952), (16, 1229333), (28, 702476), (56, 351238), (61, 322448), (112, 175619), (122, 161224), (244, 80612), (427, 46064), (488, 40306), (854, 23032), (976, 20153), (1708, 11516), (2879, 6832), (3416, 5758)]