18794958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29105202

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1187, 1218, 2262, 2374, 2639, 3561, 5278, 7122, 7917, 8309, 15431, 15834, 16618, 24927, 30862, 34423, 46293, 49854, 68846, 92586, 103269, 108017, 206538, 216034, 240961, 324051, 447499, 481922, 648102, 722883, 894998, 1342497, 1445766, 2684994, 3132493, 6264986, 9397479, 18794958]

約数ペア:

[(1, 18794958), (2, 9397479), (3, 6264986), (6, 3132493), (7, 2684994), (13, 1445766), (14, 1342497), (21, 894998), (26, 722883), (29, 648102), (39, 481922), (42, 447499), (58, 324051), (78, 240961), (87, 216034), (91, 206538), (174, 108017), (182, 103269), (203, 92586), (273, 68846), (377, 49854), (406, 46293), (546, 34423), (609, 30862), (754, 24927), (1131, 16618), (1187, 15834), (1218, 15431), (2262, 8309), (2374, 7917), (2639, 7122), (3561, 5278)]