18911640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14327}}^1$

素因数の和:14352

約数の個数: 64

約数和(自身を含む): 61896960

約数和(自身を除く): 42985320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 14327, 28654, 42981, 57308, 71635, 85962, 114616, 143270, 157597, 171924, 214905, 286540, 315194, 343848, 429810, 472791, 573080, 630388, 787985, 859620, 945582, 1260776, 1575970, 1719240, 1891164, 2363955, 3151940, 3782328, 4727910, 6303880, 9455820, 18911640]

約数ペア:

[(1, 18911640), (2, 9455820), (3, 6303880), (4, 4727910), (5, 3782328), (6, 3151940), (8, 2363955), (10, 1891164), (11, 1719240), (12, 1575970), (15, 1260776), (20, 945582), (22, 859620), (24, 787985), (30, 630388), (33, 573080), (40, 472791), (44, 429810), (55, 343848), (60, 315194), (66, 286540), (88, 214905), (110, 171924), (120, 157597), (132, 143270), (165, 114616), (220, 85962), (264, 71635), (330, 57308), (440, 42981), (660, 28654), (1320, 14327)]