19318316

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 34761216

約数和(自身を除く): 15442900

約数列:

[1, 2, 4, 47, 94, 188, 211, 422, 487, 844, 974, 1948, 9917, 19834, 22889, 39668, 45778, 91556, 102757, 205514, 411028, 4829579, 9659158, 19318316]

約数ペア:

[(1, 19318316), (2, 9659158), (4, 4829579), (47, 411028), (94, 205514), (188, 102757), (211, 91556), (422, 45778), (487, 39668), (844, 22889), (974, 19834), (1948, 9917)]