18813303369

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 32332185600

約数和(自身を除く): 13518882231

約数列:

[1, 3, 7, 9, 21, 43, 63, 127, 129, 149, 301, 367, 381, 387, 447, 889, 903, 1043, 1101, 1143, 1341, 2569, 2667, 2709, 3129, 3303, 5461, 6407, 7707, 8001, 9387, 15781, 16383, 18923, 19221, 23121, 38227, 44849, 46609, 47343, 49149, 54683, 56769, 57663, 110467, 114681, 132461, 134547, 139827, 142029, 164049, 170307, 326263, 331401, 344043, 382781, 397383, 403641, 419481, 492147, 813689, 978789, 994203, 1148343, 1192149, 2004187, 2351369, 2441067, 2936367, 3445029, 5695823, 6012561, 6944741, 7054107, 7323201, 14029309, 16459583, 17087469, 18037683, 20834223, 21162321, 42087927, 48613187, 49378749, 51262407, 62502669, 126263781, 145839561, 148136247, 298623863, 437518683, 895871589, 2090367041, 2687614767, 6271101123, 18813303369]

約数ペア:

[(1, 18813303369), (3, 6271101123), (7, 2687614767), (9, 2090367041), (21, 895871589), (43, 437518683), (63, 298623863), (127, 148136247), (129, 145839561), (149, 126263781), (301, 62502669), (367, 51262407), (381, 49378749), (387, 48613187), (447, 42087927), (889, 21162321), (903, 20834223), (1043, 18037683), (1101, 17087469), (1143, 16459583), (1341, 14029309), (2569, 7323201), (2667, 7054107), (2709, 6944741), (3129, 6012561), (3303, 5695823), (5461, 3445029), (6407, 2936367), (7707, 2441067), (8001, 2351369), (9387, 2004187), (15781, 1192149), (16383, 1148343), (18923, 994203), (19221, 978789), (23121, 813689), (38227, 492147), (44849, 419481), (46609, 403641), (47343, 397383), (49149, 382781), (54683, 344043), (56769, 331401), (57663, 326263), (110467, 170307), (114681, 164049), (132461, 142029), (134547, 139827)]