18418676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 17990284

約数列:

[1, 2, 4, 19, 23, 38, 41, 46, 76, 82, 92, 164, 257, 437, 514, 779, 874, 943, 1028, 1558, 1748, 1886, 3116, 3772, 4883, 5911, 9766, 10537, 11822, 17917, 19532, 21074, 23644, 35834, 42148, 71668, 112309, 200203, 224618, 242351, 400406, 449236, 484702, 800812, 969404, 4604669, 9209338, 18418676]

約数ペア:

[(1, 18418676), (2, 9209338), (4, 4604669), (19, 969404), (23, 800812), (38, 484702), (41, 449236), (46, 400406), (76, 242351), (82, 224618), (92, 200203), (164, 112309), (257, 71668), (437, 42148), (514, 35834), (779, 23644), (874, 21074), (943, 19532), (1028, 17917), (1558, 11822), (1748, 10537), (1886, 9766), (3116, 5911), (3772, 4883)]