19987874032

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1\times {\mathrm{5179}}^1$

素因数の和:7238

約数の個数: 80

約数和(自身を含む): 46894498560

約数和(自身を除く): 26906624528

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 2027, 4054, 5179, 8108, 10358, 14189, 16216, 20716, 28378, 32432, 34459, 36253, 41432, 56756, 68918, 72506, 82864, 88043, 113512, 137836, 145012, 176086, 227024, 241213, 275672, 290024, 352172, 482426, 551344, 580048, 616301, 704344, 964852, 1232602, 1408688, 1929704, 2465204, 3859408, 4930408, 9860816, 10497833, 20995666, 41991332, 73484831, 83982664, 146969662, 167965328, 178463161, 293939324, 356926322, 587878648, 713852644, 1175757296, 1249242127, 1427705288, 2498484254, 2855410576, 4996968508, 9993937016, 19987874032]

約数ペア:

[(1, 19987874032), (2, 9993937016), (4, 4996968508), (7, 2855410576), (8, 2498484254), (14, 1427705288), (16, 1249242127), (17, 1175757296), (28, 713852644), (34, 587878648), (56, 356926322), (68, 293939324), (112, 178463161), (119, 167965328), (136, 146969662), (238, 83982664), (272, 73484831), (476, 41991332), (952, 20995666), (1904, 10497833), (2027, 9860816), (4054, 4930408), (5179, 3859408), (8108, 2465204), (10358, 1929704), (14189, 1408688), (16216, 1232602), (20716, 964852), (28378, 704344), (32432, 616301), (34459, 580048), (36253, 551344), (41432, 482426), (56756, 352172), (68918, 290024), (72506, 275672), (82864, 241213), (88043, 227024), (113512, 176086), (137836, 145012)]