18996818445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{42689}}^1$

素因数の和:42771

約数の個数: 96

約数和(自身を含む): 38359526400

約数和(自身を除く): 19362707955

約数列:

[1, 3, 5, 9, 11, 15, 29, 31, 33, 45, 55, 87, 93, 99, 145, 155, 165, 261, 279, 319, 341, 435, 465, 495, 899, 957, 1023, 1305, 1395, 1595, 1705, 2697, 2871, 3069, 4495, 4785, 5115, 8091, 9889, 13485, 14355, 15345, 29667, 40455, 42689, 49445, 89001, 128067, 148335, 213445, 384201, 445005, 469579, 640335, 1237981, 1323359, 1408737, 1921005, 2347895, 3713943, 3970077, 4226211, 6189905, 6616795, 7043685, 11141829, 11910231, 13617791, 14556949, 18569715, 19850385, 21131055, 38377411, 40853373, 43670847, 55709145, 59551155, 68088955, 72784745, 115132233, 122560119, 131012541, 191887055, 204266865, 218354235, 345396699, 422151521, 575661165, 612800595, 655062705, 1266454563, 1726983495, 2110757605, 3799363689, 6332272815, 18996818445]

約数ペア:

[(1, 18996818445), (3, 6332272815), (5, 3799363689), (9, 2110757605), (11, 1726983495), (15, 1266454563), (29, 655062705), (31, 612800595), (33, 575661165), (45, 422151521), (55, 345396699), (87, 218354235), (93, 204266865), (99, 191887055), (145, 131012541), (155, 122560119), (165, 115132233), (261, 72784745), (279, 68088955), (319, 59551155), (341, 55709145), (435, 43670847), (465, 40853373), (495, 38377411), (899, 21131055), (957, 19850385), (1023, 18569715), (1305, 14556949), (1395, 13617791), (1595, 11910231), (1705, 11141829), (2697, 7043685), (2871, 6616795), (3069, 6189905), (4495, 4226211), (4785, 3970077), (5115, 3713943), (8091, 2347895), (9889, 1921005), (13485, 1408737), (14355, 1323359), (15345, 1237981), (29667, 640335), (40455, 469579), (42689, 445005), (49445, 384201), (89001, 213445), (128067, 148335)]