19210828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 22701812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 593, 623, 1157, 1186, 1246, 2314, 2372, 2492, 4151, 4628, 7709, 8099, 8302, 15418, 16198, 16604, 30836, 32396, 52777, 53963, 105554, 107926, 211108, 215852, 369439, 686101, 738878, 1372202, 1477756, 2744404, 4802707, 9605414, 19210828]

約数ペア:

[(1, 19210828), (2, 9605414), (4, 4802707), (7, 2744404), (13, 1477756), (14, 1372202), (26, 738878), (28, 686101), (52, 369439), (89, 215852), (91, 211108), (178, 107926), (182, 105554), (356, 53963), (364, 52777), (593, 32396), (623, 30836), (1157, 16604), (1186, 16198), (1246, 15418), (2314, 8302), (2372, 8099), (2492, 7709), (4151, 4628)]