20181282813

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{2791}}^1$

素因数の和:3047

約数の個数: 64

約数和(自身を含む): 31649218560

約数和(自身を除く): 11467935747

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 163, 279, 477, 489, 837, 1431, 1467, 1643, 2791, 4401, 4929, 5053, 8373, 8639, 14787, 15159, 25119, 25917, 44361, 45477, 75357, 77751, 86521, 136431, 147923, 233253, 259563, 267809, 443769, 454933, 778689, 803427, 1331307, 1364799, 2336067, 2410281, 3993921, 4094397, 4585613, 7230843, 12283191, 13756839, 14102923, 24111449, 41270517, 42308769, 72334347, 123811551, 126926307, 217003041, 380778921, 651009123, 747454919, 2242364757, 6727094271, 20181282813]

約数ペア:

[(1, 20181282813), (3, 6727094271), (9, 2242364757), (27, 747454919), (31, 651009123), (53, 380778921), (93, 217003041), (159, 126926307), (163, 123811551), (279, 72334347), (477, 42308769), (489, 41270517), (837, 24111449), (1431, 14102923), (1467, 13756839), (1643, 12283191), (2791, 7230843), (4401, 4585613), (4929, 4094397), (5053, 3993921), (8373, 2410281), (8639, 2336067), (14787, 1364799), (15159, 1331307), (25119, 803427), (25917, 778689), (44361, 454933), (45477, 443769), (75357, 267809), (77751, 259563), (86521, 233253), (136431, 147923)]