19199986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 32796288

約数和(自身を除く): 13596302

約数列:

[1, 2, 13, 23, 26, 46, 97, 194, 299, 331, 598, 662, 1261, 2231, 2522, 4303, 4462, 7613, 8606, 15226, 29003, 32107, 58006, 64214, 98969, 197938, 417391, 738461, 834782, 1476922, 9599993, 19199986]

約数ペア:

[(1, 19199986), (2, 9599993), (13, 1476922), (23, 834782), (26, 738461), (46, 417391), (97, 197938), (194, 98969), (299, 64214), (331, 58006), (598, 32107), (662, 29003), (1261, 15226), (2231, 8606), (2522, 7613), (4303, 4462)]