19555668

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 39150252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 59, 62, 66, 81, 93, 99, 108, 118, 124, 132, 162, 177, 186, 198, 236, 243, 279, 297, 324, 341, 354, 372, 396, 486, 531, 558, 594, 649, 682, 708, 837, 891, 972, 1023, 1062, 1116, 1188, 1298, 1364, 1593, 1674, 1782, 1829, 1947, 2046, 2124, 2511, 2596, 2673, 3069, 3186, 3348, 3564, 3658, 3894, 4092, 4779, 5022, 5346, 5487, 5841, 6138, 6372, 7316, 7533, 7788, 9207, 9558, 10044, 10692, 10974, 11682, 12276, 14337, 15066, 16461, 17523, 18414, 19116, 20119, 21948, 23364, 27621, 28674, 30132, 32922, 35046, 36828, 40238, 49383, 52569, 55242, 57348, 60357, 65844, 70092, 80476, 82863, 98766, 105138, 110484, 120714, 148149, 157707, 165726, 181071, 197532, 210276, 241428, 296298, 315414, 331452, 362142, 444447, 543213, 592596, 630828, 724284, 888894, 1086426, 1629639, 1777788, 2172852, 3259278, 4888917, 6518556, 9777834, 19555668]

約数ペア:

[(1, 19555668), (2, 9777834), (3, 6518556), (4, 4888917), (6, 3259278), (9, 2172852), (11, 1777788), (12, 1629639), (18, 1086426), (22, 888894), (27, 724284), (31, 630828), (33, 592596), (36, 543213), (44, 444447), (54, 362142), (59, 331452), (62, 315414), (66, 296298), (81, 241428), (93, 210276), (99, 197532), (108, 181071), (118, 165726), (124, 157707), (132, 148149), (162, 120714), (177, 110484), (186, 105138), (198, 98766), (236, 82863), (243, 80476), (279, 70092), (297, 65844), (324, 60357), (341, 57348), (354, 55242), (372, 52569), (396, 49383), (486, 40238), (531, 36828), (558, 35046), (594, 32922), (649, 30132), (682, 28674), (708, 27621), (837, 23364), (891, 21948), (972, 20119), (1023, 19116), (1062, 18414), (1116, 17523), (1188, 16461), (1298, 15066), (1364, 14337), (1593, 12276), (1674, 11682), (1782, 10974), (1829, 10692), (1947, 10044), (2046, 9558), (2124, 9207), (2511, 7788), (2596, 7533), (2673, 7316), (3069, 6372), (3186, 6138), (3348, 5841), (3564, 5487), (3658, 5346), (3894, 5022), (4092, 4779)]