18704308

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 20293196

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 122, 188, 233, 244, 329, 427, 466, 658, 854, 932, 1316, 1631, 1708, 2867, 3262, 5734, 6524, 10951, 11468, 14213, 20069, 21902, 28426, 40138, 43804, 56852, 76657, 80276, 99491, 153314, 198982, 306628, 397964, 668011, 1336022, 2672044, 4676077, 9352154, 18704308]

約数ペア:

[(1, 18704308), (2, 9352154), (4, 4676077), (7, 2672044), (14, 1336022), (28, 668011), (47, 397964), (61, 306628), (94, 198982), (122, 153314), (188, 99491), (233, 80276), (244, 76657), (329, 56852), (427, 43804), (466, 40138), (658, 28426), (854, 21902), (932, 20069), (1316, 14213), (1631, 11468), (1708, 10951), (2867, 6524), (3262, 5734)]