19038448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 44434656

約数和(自身を除く): 25396208

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 53, 88, 104, 106, 143, 157, 176, 208, 212, 286, 314, 424, 572, 583, 628, 689, 848, 1144, 1166, 1256, 1378, 1727, 2041, 2288, 2332, 2512, 2756, 3454, 4082, 4664, 5512, 6908, 7579, 8164, 8321, 9328, 11024, 13816, 15158, 16328, 16642, 22451, 27632, 30316, 32656, 33284, 44902, 60632, 66568, 89804, 91531, 108173, 121264, 133136, 179608, 183062, 216346, 359216, 366124, 432692, 732248, 865384, 1189903, 1464496, 1730768, 2379806, 4759612, 9519224, 19038448]

約数ペア:

[(1, 19038448), (2, 9519224), (4, 4759612), (8, 2379806), (11, 1730768), (13, 1464496), (16, 1189903), (22, 865384), (26, 732248), (44, 432692), (52, 366124), (53, 359216), (88, 216346), (104, 183062), (106, 179608), (143, 133136), (157, 121264), (176, 108173), (208, 91531), (212, 89804), (286, 66568), (314, 60632), (424, 44902), (572, 33284), (583, 32656), (628, 30316), (689, 27632), (848, 22451), (1144, 16642), (1166, 16328), (1256, 15158), (1378, 13816), (1727, 11024), (2041, 9328), (2288, 8321), (2332, 8164), (2512, 7579), (2756, 6908), (3454, 5512), (4082, 4664)]