19454120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 54639360

約数和(自身を除く): 35185240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 67, 68, 70, 85, 119, 122, 134, 136, 140, 170, 238, 244, 268, 280, 305, 335, 340, 427, 469, 476, 488, 536, 595, 610, 670, 680, 854, 938, 952, 1037, 1139, 1190, 1220, 1340, 1708, 1876, 2074, 2135, 2278, 2345, 2380, 2440, 2680, 3416, 3752, 4087, 4148, 4270, 4556, 4690, 4760, 5185, 5695, 7259, 7973, 8174, 8296, 8540, 9112, 9380, 10370, 11390, 14518, 15946, 16348, 17080, 18760, 20435, 20740, 22780, 28609, 29036, 31892, 32696, 36295, 39865, 40870, 41480, 45560, 57218, 58072, 63784, 69479, 72590, 79730, 81740, 114436, 138958, 143045, 145180, 159460, 163480, 228872, 277916, 286090, 290360, 318920, 347395, 486353, 555832, 572180, 694790, 972706, 1144360, 1389580, 1945412, 2431765, 2779160, 3890824, 4863530, 9727060, 19454120]

約数ペア:

[(1, 19454120), (2, 9727060), (4, 4863530), (5, 3890824), (7, 2779160), (8, 2431765), (10, 1945412), (14, 1389580), (17, 1144360), (20, 972706), (28, 694790), (34, 572180), (35, 555832), (40, 486353), (56, 347395), (61, 318920), (67, 290360), (68, 286090), (70, 277916), (85, 228872), (119, 163480), (122, 159460), (134, 145180), (136, 143045), (140, 138958), (170, 114436), (238, 81740), (244, 79730), (268, 72590), (280, 69479), (305, 63784), (335, 58072), (340, 57218), (427, 45560), (469, 41480), (476, 40870), (488, 39865), (536, 36295), (595, 32696), (610, 31892), (670, 29036), (680, 28609), (854, 22780), (938, 20740), (952, 20435), (1037, 18760), (1139, 17080), (1190, 16348), (1220, 15946), (1340, 14518), (1708, 11390), (1876, 10370), (2074, 9380), (2135, 9112), (2278, 8540), (2345, 8296), (2380, 8174), (2440, 7973), (2680, 7259), (3416, 5695), (3752, 5185), (4087, 4760), (4148, 4690), (4270, 4556)]