19888446

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 41044608

約数和(自身を除く): 21156162

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 491, 942, 982, 1473, 2946, 6751, 13502, 20253, 21113, 40506, 42226, 63339, 77087, 126678, 154174, 231261, 462522, 3314741, 6629482, 9944223, 19888446]

約数ペア:

[(1, 19888446), (2, 9944223), (3, 6629482), (6, 3314741), (43, 462522), (86, 231261), (129, 154174), (157, 126678), (258, 77087), (314, 63339), (471, 42226), (491, 40506), (942, 21113), (982, 20253), (1473, 13502), (2946, 6751)]