18899496

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 65089440

約数和(自身を除く): 46189944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 126, 132, 147, 154, 168, 196, 198, 231, 252, 264, 294, 308, 392, 396, 441, 462, 487, 504, 539, 588, 616, 693, 792, 882, 924, 974, 1078, 1176, 1386, 1461, 1617, 1764, 1848, 1948, 2156, 2772, 2922, 3234, 3409, 3528, 3896, 4312, 4383, 4851, 5357, 5544, 5844, 6468, 6818, 8766, 9702, 10227, 10714, 11688, 12936, 13636, 16071, 17532, 19404, 20454, 21428, 23863, 27272, 30681, 32142, 35064, 37499, 38808, 40908, 42856, 47726, 48213, 61362, 64284, 71589, 74998, 81816, 95452, 96426, 112497, 122724, 128568, 143178, 149996, 190904, 192852, 214767, 224994, 245448, 262493, 286356, 299992, 337491, 385704, 429534, 449988, 524986, 572712, 674982, 787479, 859068, 899976, 1049972, 1349964, 1574958, 1718136, 2099944, 2362437, 2699928, 3149916, 4724874, 6299832, 9449748, 18899496]

約数ペア:

[(1, 18899496), (2, 9449748), (3, 6299832), (4, 4724874), (6, 3149916), (7, 2699928), (8, 2362437), (9, 2099944), (11, 1718136), (12, 1574958), (14, 1349964), (18, 1049972), (21, 899976), (22, 859068), (24, 787479), (28, 674982), (33, 572712), (36, 524986), (42, 449988), (44, 429534), (49, 385704), (56, 337491), (63, 299992), (66, 286356), (72, 262493), (77, 245448), (84, 224994), (88, 214767), (98, 192852), (99, 190904), (126, 149996), (132, 143178), (147, 128568), (154, 122724), (168, 112497), (196, 96426), (198, 95452), (231, 81816), (252, 74998), (264, 71589), (294, 64284), (308, 61362), (392, 48213), (396, 47726), (441, 42856), (462, 40908), (487, 38808), (504, 37499), (539, 35064), (588, 32142), (616, 30681), (693, 27272), (792, 23863), (882, 21428), (924, 20454), (974, 19404), (1078, 17532), (1176, 16071), (1386, 13636), (1461, 12936), (1617, 11688), (1764, 10714), (1848, 10227), (1948, 9702), (2156, 8766), (2772, 6818), (2922, 6468), (3234, 5844), (3409, 5544), (3528, 5357), (3896, 4851), (4312, 4383)]