18436041

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 32887296

約数和(自身を除く): 14451255

約数列:

[1, 3, 9, 13, 17, 23, 31, 39, 51, 69, 93, 117, 153, 169, 207, 221, 279, 299, 391, 403, 507, 527, 663, 713, 897, 1173, 1209, 1521, 1581, 1989, 2139, 2691, 2873, 3519, 3627, 3887, 4743, 5083, 5239, 6417, 6851, 8619, 9269, 11661, 12121, 15249, 15717, 20553, 25857, 27807, 34983, 36363, 45747, 47151, 61659, 66079, 83421, 89063, 109089, 120497, 157573, 198237, 267189, 361491, 472719, 594711, 801567, 1084473, 1418157, 2048449, 6145347, 18436041]

約数ペア:

[(1, 18436041), (3, 6145347), (9, 2048449), (13, 1418157), (17, 1084473), (23, 801567), (31, 594711), (39, 472719), (51, 361491), (69, 267189), (93, 198237), (117, 157573), (153, 120497), (169, 109089), (207, 89063), (221, 83421), (279, 66079), (299, 61659), (391, 47151), (403, 45747), (507, 36363), (527, 34983), (663, 27807), (713, 25857), (897, 20553), (1173, 15717), (1209, 15249), (1521, 12121), (1581, 11661), (1989, 9269), (2139, 8619), (2691, 6851), (2873, 6417), (3519, 5239), (3627, 5083), (3887, 4743)]