18316836

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 49649600

約数和(自身を除く): 31332764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 439, 549, 684, 732, 878, 1098, 1159, 1317, 1756, 2196, 2318, 2634, 3477, 3951, 4636, 5268, 6954, 7902, 8341, 10431, 13908, 15804, 16682, 20862, 25023, 26779, 33364, 41724, 50046, 53558, 75069, 80337, 100092, 107116, 150138, 160674, 241011, 300276, 321348, 482022, 508801, 964044, 1017602, 1526403, 2035204, 3052806, 4579209, 6105612, 9158418, 18316836]

約数ペア:

[(1, 18316836), (2, 9158418), (3, 6105612), (4, 4579209), (6, 3052806), (9, 2035204), (12, 1526403), (18, 1017602), (19, 964044), (36, 508801), (38, 482022), (57, 321348), (61, 300276), (76, 241011), (114, 160674), (122, 150138), (171, 107116), (183, 100092), (228, 80337), (244, 75069), (342, 53558), (366, 50046), (439, 41724), (549, 33364), (684, 26779), (732, 25023), (878, 20862), (1098, 16682), (1159, 15804), (1317, 13908), (1756, 10431), (2196, 8341), (2318, 7902), (2634, 6954), (3477, 5268), (3951, 4636)]