19155015008

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{34679}}^1$

素因数の和:35151

約数の個数: 48

約数和(自身を含む): 38724104160

約数和(自身を除く): 19569089152

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 421, 656, 842, 1312, 1684, 3368, 6736, 13472, 17261, 34522, 34679, 69044, 69358, 138088, 138716, 276176, 277432, 552352, 554864, 1109728, 1421839, 2843678, 5687356, 11374712, 14599859, 22749424, 29199718, 45498848, 58399436, 116798872, 233597744, 467195488, 598594219, 1197188438, 2394376876, 4788753752, 9577507504, 19155015008]

約数ペア:

[(1, 19155015008), (2, 9577507504), (4, 4788753752), (8, 2394376876), (16, 1197188438), (32, 598594219), (41, 467195488), (82, 233597744), (164, 116798872), (328, 58399436), (421, 45498848), (656, 29199718), (842, 22749424), (1312, 14599859), (1684, 11374712), (3368, 5687356), (6736, 2843678), (13472, 1421839), (17261, 1109728), (34522, 554864), (34679, 552352), (69044, 277432), (69358, 276176), (138088, 138716)]