19382760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 65577600

約数和(自身を除く): 46194840

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, 131, 135, 137, 180, 216, 262, 270, 274, 360, 393, 411, 524, 540, 548, 655, 685, 786, 822, 1048, 1080, 1096, 1179, 1233, 1310, 1370, 1572, 1644, 1965, 2055, 2358, 2466, 2620, 2740, 3144, 3288, 3537, 3699, 3930, 4110, 4716, 4932, 5240, 5480, 5895, 6165, 7074, 7398, 7860, 8220, 9432, 9864, 11790, 12330, 14148, 14796, 15720, 16440, 17685, 17947, 18495, 23580, 24660, 28296, 29592, 35370, 35894, 36990, 47160, 49320, 53841, 70740, 71788, 73980, 89735, 107682, 141480, 143576, 147960, 161523, 179470, 215364, 269205, 323046, 358940, 430728, 484569, 538410, 646092, 717880, 807615, 969138, 1076820, 1292184, 1615230, 1938276, 2153640, 2422845, 3230460, 3876552, 4845690, 6460920, 9691380, 19382760]

約数ペア:

[(1, 19382760), (2, 9691380), (3, 6460920), (4, 4845690), (5, 3876552), (6, 3230460), (8, 2422845), (9, 2153640), (10, 1938276), (12, 1615230), (15, 1292184), (18, 1076820), (20, 969138), (24, 807615), (27, 717880), (30, 646092), (36, 538410), (40, 484569), (45, 430728), (54, 358940), (60, 323046), (72, 269205), (90, 215364), (108, 179470), (120, 161523), (131, 147960), (135, 143576), (137, 141480), (180, 107682), (216, 89735), (262, 73980), (270, 71788), (274, 70740), (360, 53841), (393, 49320), (411, 47160), (524, 36990), (540, 35894), (548, 35370), (655, 29592), (685, 28296), (786, 24660), (822, 23580), (1048, 18495), (1080, 17947), (1096, 17685), (1179, 16440), (1233, 15720), (1310, 14796), (1370, 14148), (1572, 12330), (1644, 11790), (1965, 9864), (2055, 9432), (2358, 8220), (2466, 7860), (2620, 7398), (2740, 7074), (3144, 6165), (3288, 5895), (3537, 5480), (3699, 5240), (3930, 4932), (4110, 4716)]