18312723

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 96

約数和(自身を含む): 35223552

約数和(自身を除く): 16910829

約数列:

[1, 3, 9, 11, 13, 17, 27, 31, 33, 39, 51, 81, 93, 99, 117, 143, 153, 187, 221, 243, 279, 297, 341, 351, 403, 429, 459, 527, 561, 663, 837, 891, 1023, 1053, 1209, 1287, 1377, 1581, 1683, 1989, 2431, 2511, 2673, 3069, 3159, 3627, 3861, 4131, 4433, 4743, 5049, 5797, 5967, 6851, 7293, 7533, 9207, 10881, 11583, 13299, 14229, 15147, 17391, 17901, 20553, 21879, 27621, 32643, 34749, 39897, 42687, 45441, 52173, 53703, 61659, 65637, 75361, 82863, 97929, 119691, 128061, 156519, 184977, 196911, 226083, 359073, 469557, 554931, 590733, 678249, 1077219, 1408671, 1664793, 2034747, 6104241, 18312723]

約数ペア:

[(1, 18312723), (3, 6104241), (9, 2034747), (11, 1664793), (13, 1408671), (17, 1077219), (27, 678249), (31, 590733), (33, 554931), (39, 469557), (51, 359073), (81, 226083), (93, 196911), (99, 184977), (117, 156519), (143, 128061), (153, 119691), (187, 97929), (221, 82863), (243, 75361), (279, 65637), (297, 61659), (341, 53703), (351, 52173), (403, 45441), (429, 42687), (459, 39897), (527, 34749), (561, 32643), (663, 27621), (837, 21879), (891, 20553), (1023, 17901), (1053, 17391), (1209, 15147), (1287, 14229), (1377, 13299), (1581, 11583), (1683, 10881), (1989, 9207), (2431, 7533), (2511, 7293), (2673, 6851), (3069, 5967), (3159, 5797), (3627, 5049), (3861, 4743), (4131, 4433)]