9990618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 23777280

約数和(自身を除く): 13786662

約数列:

[1, 2, 3, 6, 11, 19, 22, 31, 33, 38, 57, 62, 66, 93, 114, 186, 209, 257, 341, 418, 514, 589, 627, 682, 771, 1023, 1178, 1254, 1542, 1767, 2046, 2827, 3534, 4883, 5654, 6479, 7967, 8481, 9766, 12958, 14649, 15934, 16962, 19437, 23901, 29298, 38874, 47802, 53713, 87637, 107426, 151373, 161139, 175274, 262911, 302746, 322278, 454119, 525822, 908238, 1665103, 3330206, 4995309, 9990618]

約数ペア:

[(1, 9990618), (2, 4995309), (3, 3330206), (6, 1665103), (11, 908238), (19, 525822), (22, 454119), (31, 322278), (33, 302746), (38, 262911), (57, 175274), (62, 161139), (66, 151373), (93, 107426), (114, 87637), (186, 53713), (209, 47802), (257, 38874), (341, 29298), (418, 23901), (514, 19437), (589, 16962), (627, 15934), (682, 14649), (771, 12958), (1023, 9766), (1178, 8481), (1254, 7967), (1542, 6479), (1767, 5654), (2046, 4883), (2827, 3534)]