19951256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4679}}^1$

素因数の和:4739

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 21326344

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4679, 9358, 18716, 37432, 60827, 121654, 191839, 243308, 383678, 486616, 767356, 1534712, 2493907, 4987814, 9975628, 19951256]

約数ペア:

[(1, 19951256), (2, 9975628), (4, 4987814), (8, 2493907), (13, 1534712), (26, 767356), (41, 486616), (52, 383678), (82, 243308), (104, 191839), (164, 121654), (328, 60827), (533, 37432), (1066, 18716), (2132, 9358), (4264, 4679)]