18474638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 16071538

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1223, 2158, 2446, 7553, 8561, 15106, 15899, 17122, 31798, 101509, 111293, 203018, 222586, 710563, 1319617, 1421126, 2639234, 9237319, 18474638]

約数ペア:

[(1, 18474638), (2, 9237319), (7, 2639234), (13, 1421126), (14, 1319617), (26, 710563), (83, 222586), (91, 203018), (166, 111293), (182, 101509), (581, 31798), (1079, 17122), (1162, 15899), (1223, 15106), (2158, 8561), (2446, 7553)]