19927726

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 37029888

約数和(自身を除く): 17102162

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 223, 446, 491, 982, 1561, 2899, 3122, 3437, 5798, 6383, 6874, 12766, 20293, 40586, 44681, 89362, 109493, 218986, 766451, 1423409, 1532902, 2846818, 9963863, 19927726]

約数ペア:

[(1, 19927726), (2, 9963863), (7, 2846818), (13, 1532902), (14, 1423409), (26, 766451), (91, 218986), (182, 109493), (223, 89362), (446, 44681), (491, 40586), (982, 20293), (1561, 12766), (2899, 6874), (3122, 6383), (3437, 5798)]