19189898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 35825664

約数和(自身を除く): 16635766

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1087, 1261, 1358, 2174, 2522, 7609, 8827, 14131, 15218, 17654, 28262, 98917, 105439, 197834, 210878, 738073, 1370707, 1476146, 2741414, 9594949, 19189898]

約数ペア:

[(1, 19189898), (2, 9594949), (7, 2741414), (13, 1476146), (14, 1370707), (26, 738073), (91, 210878), (97, 197834), (182, 105439), (194, 98917), (679, 28262), (1087, 17654), (1261, 15218), (1358, 14131), (2174, 8827), (2522, 7609)]