19982038

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 32183424

約数和(自身を除く): 12201386

約数列:

[1, 2, 17, 34, 181, 191, 289, 362, 382, 578, 3077, 3247, 6154, 6494, 34571, 52309, 55199, 69142, 104618, 110398, 587707, 1175414, 9991019, 19982038]

約数ペア:

[(1, 19982038), (2, 9991019), (17, 1175414), (34, 587707), (181, 110398), (191, 104618), (289, 69142), (362, 55199), (382, 52309), (578, 34571), (3077, 6494), (3247, 6154)]