19110861

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 36516480

約数和(自身を除く): 17405619

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 109, 121, 161, 207, 231, 253, 327, 363, 483, 693, 759, 763, 847, 981, 1089, 1199, 1449, 1771, 2277, 2289, 2507, 2541, 2783, 3597, 5313, 6867, 7521, 7623, 8349, 8393, 10791, 13189, 15939, 17549, 19481, 22563, 25047, 25179, 27577, 39567, 52647, 58443, 75537, 82731, 92323, 118701, 157941, 175329, 193039, 248193, 276969, 303347, 579117, 830907, 910041, 1737351, 2123429, 2730123, 6370287, 19110861]

約数ペア:

[(1, 19110861), (3, 6370287), (7, 2730123), (9, 2123429), (11, 1737351), (21, 910041), (23, 830907), (33, 579117), (63, 303347), (69, 276969), (77, 248193), (99, 193039), (109, 175329), (121, 157941), (161, 118701), (207, 92323), (231, 82731), (253, 75537), (327, 58443), (363, 52647), (483, 39567), (693, 27577), (759, 25179), (763, 25047), (847, 22563), (981, 19481), (1089, 17549), (1199, 15939), (1449, 13189), (1771, 10791), (2277, 8393), (2289, 8349), (2507, 7623), (2541, 7521), (2783, 6867), (3597, 5313)]