18833360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 54460800

約数和(自身を除く): 35627440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 199, 208, 260, 280, 338, 364, 398, 455, 520, 560, 676, 728, 796, 845, 910, 995, 1040, 1183, 1352, 1393, 1456, 1592, 1690, 1820, 1990, 2366, 2587, 2704, 2786, 3184, 3380, 3640, 3980, 4732, 5174, 5572, 5915, 6760, 6965, 7280, 7960, 9464, 10348, 11144, 11830, 12935, 13520, 13930, 15920, 18109, 18928, 20696, 22288, 23660, 25870, 27860, 33631, 36218, 41392, 47320, 51740, 55720, 67262, 72436, 90545, 94640, 103480, 111440, 134524, 144872, 168155, 181090, 206960, 235417, 269048, 289744, 336310, 362180, 470834, 538096, 672620, 724360, 941668, 1177085, 1345240, 1448720, 1883336, 2354170, 2690480, 3766672, 4708340, 9416680, 18833360]

約数ペア:

[(1, 18833360), (2, 9416680), (4, 4708340), (5, 3766672), (7, 2690480), (8, 2354170), (10, 1883336), (13, 1448720), (14, 1345240), (16, 1177085), (20, 941668), (26, 724360), (28, 672620), (35, 538096), (40, 470834), (52, 362180), (56, 336310), (65, 289744), (70, 269048), (80, 235417), (91, 206960), (104, 181090), (112, 168155), (130, 144872), (140, 134524), (169, 111440), (182, 103480), (199, 94640), (208, 90545), (260, 72436), (280, 67262), (338, 55720), (364, 51740), (398, 47320), (455, 41392), (520, 36218), (560, 33631), (676, 27860), (728, 25870), (796, 23660), (845, 22288), (910, 20696), (995, 18928), (1040, 18109), (1183, 15920), (1352, 13930), (1393, 13520), (1456, 12935), (1592, 11830), (1690, 11144), (1820, 10348), (1990, 9464), (2366, 7960), (2587, 7280), (2704, 6965), (2786, 6760), (3184, 5915), (3380, 5572), (3640, 5174), (3980, 4732)]