19869698

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 12824062

約数列:

[1, 2, 29, 31, 43, 58, 62, 86, 257, 514, 899, 1247, 1333, 1798, 2494, 2666, 7453, 7967, 11051, 14906, 15934, 22102, 38657, 77314, 231043, 320479, 342581, 462086, 640958, 685162, 9934849, 19869698]

約数ペア:

[(1, 19869698), (2, 9934849), (29, 685162), (31, 640958), (43, 462086), (58, 342581), (62, 320479), (86, 231043), (257, 77314), (514, 38657), (899, 22102), (1247, 15934), (1333, 14906), (1798, 11051), (2494, 7967), (2666, 7453)]