18680019984

素因数分解:

$2^4\times 3^3\times {\mathrm{443}}^1\times {\mathrm{97609}}^1$

素因数の和:98069

約数の個数: 80

約数和(自身を含む): 53740161600

約数和(自身を除く): 35060141616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 443, 886, 1329, 1772, 2658, 3544, 3987, 5316, 7088, 7974, 10632, 11961, 15948, 21264, 23922, 31896, 47844, 63792, 95688, 97609, 191376, 195218, 292827, 390436, 585654, 780872, 878481, 1171308, 1561744, 1756962, 2342616, 2635443, 3513924, 4685232, 5270886, 7027848, 10541772, 14055696, 21083544, 42167088, 43240787, 86481574, 129722361, 172963148, 259444722, 345926296, 389167083, 518889444, 691852592, 778334166, 1037778888, 1167501249, 1556668332, 2075557776, 2335002498, 3113336664, 4670004996, 6226673328, 9340009992, 18680019984]

約数ペア:

[(1, 18680019984), (2, 9340009992), (3, 6226673328), (4, 4670004996), (6, 3113336664), (8, 2335002498), (9, 2075557776), (12, 1556668332), (16, 1167501249), (18, 1037778888), (24, 778334166), (27, 691852592), (36, 518889444), (48, 389167083), (54, 345926296), (72, 259444722), (108, 172963148), (144, 129722361), (216, 86481574), (432, 43240787), (443, 42167088), (886, 21083544), (1329, 14055696), (1772, 10541772), (2658, 7027848), (3544, 5270886), (3987, 4685232), (5316, 3513924), (7088, 2635443), (7974, 2342616), (10632, 1756962), (11961, 1561744), (15948, 1171308), (21264, 878481), (23922, 780872), (31896, 585654), (47844, 390436), (63792, 292827), (95688, 195218), (97609, 191376)]