18977394

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 39430656

約数和(自身を除く): 20453262

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 257, 397, 514, 771, 794, 1191, 1542, 2382, 7967, 12307, 15934, 23901, 24614, 36921, 47802, 73842, 102029, 204058, 306087, 612174, 3162899, 6325798, 9488697, 18977394]

約数ペア:

[(1, 18977394), (2, 9488697), (3, 6325798), (6, 3162899), (31, 612174), (62, 306087), (93, 204058), (186, 102029), (257, 73842), (397, 47802), (514, 36921), (771, 24614), (794, 23901), (1191, 15934), (1542, 12307), (2382, 7967)]