18790920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 44799480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 137, 180, 216, 254, 270, 274, 360, 381, 411, 508, 540, 548, 635, 685, 762, 822, 1016, 1080, 1096, 1143, 1233, 1270, 1370, 1524, 1644, 1905, 2055, 2286, 2466, 2540, 2740, 3048, 3288, 3429, 3699, 3810, 4110, 4572, 4932, 5080, 5480, 5715, 6165, 6858, 7398, 7620, 8220, 9144, 9864, 11430, 12330, 13716, 14796, 15240, 16440, 17145, 17399, 18495, 22860, 24660, 27432, 29592, 34290, 34798, 36990, 45720, 49320, 52197, 68580, 69596, 73980, 86995, 104394, 137160, 139192, 147960, 156591, 173990, 208788, 260985, 313182, 347980, 417576, 469773, 521970, 626364, 695960, 782955, 939546, 1043940, 1252728, 1565910, 1879092, 2087880, 2348865, 3131820, 3758184, 4697730, 6263640, 9395460, 18790920]

約数ペア:

[(1, 18790920), (2, 9395460), (3, 6263640), (4, 4697730), (5, 3758184), (6, 3131820), (8, 2348865), (9, 2087880), (10, 1879092), (12, 1565910), (15, 1252728), (18, 1043940), (20, 939546), (24, 782955), (27, 695960), (30, 626364), (36, 521970), (40, 469773), (45, 417576), (54, 347980), (60, 313182), (72, 260985), (90, 208788), (108, 173990), (120, 156591), (127, 147960), (135, 139192), (137, 137160), (180, 104394), (216, 86995), (254, 73980), (270, 69596), (274, 68580), (360, 52197), (381, 49320), (411, 45720), (508, 36990), (540, 34798), (548, 34290), (635, 29592), (685, 27432), (762, 24660), (822, 22860), (1016, 18495), (1080, 17399), (1096, 17145), (1143, 16440), (1233, 15240), (1270, 14796), (1370, 13716), (1524, 12330), (1644, 11430), (1905, 9864), (2055, 9144), (2286, 8220), (2466, 7620), (2540, 7398), (2740, 6858), (3048, 6165), (3288, 5715), (3429, 5480), (3699, 5080), (3810, 4932), (4110, 4572)]