19816328

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7529}}^1$

素因数の和:7589

約数の個数: 32

約数和(自身を含む): 43372800

約数和(自身を除く): 23556472

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7529, 15058, 30116, 52703, 60232, 105406, 210812, 353863, 421624, 707726, 1415452, 2477041, 2830904, 4954082, 9908164, 19816328]

約数ペア:

[(1, 19816328), (2, 9908164), (4, 4954082), (7, 2830904), (8, 2477041), (14, 1415452), (28, 707726), (47, 421624), (56, 353863), (94, 210812), (188, 105406), (329, 60232), (376, 52703), (658, 30116), (1316, 15058), (2632, 7529)]