19310655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 40449024

約数和(自身を除く): 21138369

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 47, 49, 65, 91, 105, 129, 141, 147, 195, 215, 235, 245, 273, 301, 329, 455, 559, 611, 637, 645, 705, 735, 903, 987, 1365, 1505, 1645, 1677, 1833, 1911, 2021, 2107, 2303, 2795, 3055, 3185, 3913, 4277, 4515, 4935, 6063, 6321, 6909, 8385, 9165, 9555, 10105, 10535, 11515, 11739, 12831, 14147, 19565, 21385, 26273, 27391, 29939, 30315, 31605, 34545, 42441, 58695, 64155, 70735, 78819, 82173, 89817, 99029, 131365, 136955, 149695, 183911, 212205, 297087, 394095, 410865, 449085, 495145, 551733, 919555, 1287377, 1485435, 2758665, 3862131, 6436885, 19310655]

約数ペア:

[(1, 19310655), (3, 6436885), (5, 3862131), (7, 2758665), (13, 1485435), (15, 1287377), (21, 919555), (35, 551733), (39, 495145), (43, 449085), (47, 410865), (49, 394095), (65, 297087), (91, 212205), (105, 183911), (129, 149695), (141, 136955), (147, 131365), (195, 99029), (215, 89817), (235, 82173), (245, 78819), (273, 70735), (301, 64155), (329, 58695), (455, 42441), (559, 34545), (611, 31605), (637, 30315), (645, 29939), (705, 27391), (735, 26273), (903, 21385), (987, 19565), (1365, 14147), (1505, 12831), (1645, 11739), (1677, 11515), (1833, 10535), (1911, 10105), (2021, 9555), (2107, 9165), (2303, 8385), (2795, 6909), (3055, 6321), (3185, 6063), (3913, 4935), (4277, 4515)]