18513495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 44513280

約数和(自身を除く): 25999785

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 135, 137, 143, 165, 189, 195, 231, 273, 297, 315, 351, 385, 411, 429, 455, 495, 585, 685, 693, 715, 819, 945, 959, 1001, 1155, 1233, 1287, 1365, 1485, 1507, 1755, 1781, 2055, 2079, 2145, 2457, 2877, 3003, 3465, 3699, 3861, 4095, 4521, 4795, 5005, 5343, 6165, 6435, 7535, 8631, 8905, 9009, 10395, 10549, 12285, 12467, 13563, 14385, 15015, 16029, 18495, 19305, 19591, 22605, 25893, 26715, 27027, 31647, 37401, 40689, 43155, 45045, 48087, 52745, 58773, 62335, 67815, 80145, 94941, 97955, 112203, 129465, 135135, 137137, 158235, 176319, 187005, 203445, 240435, 284823, 293865, 336609, 411411, 474705, 528957, 561015, 685685, 881595, 1234233, 1424115, 1683045, 2057055, 2644785, 3702699, 6171165, 18513495]

約数ペア:

[(1, 18513495), (3, 6171165), (5, 3702699), (7, 2644785), (9, 2057055), (11, 1683045), (13, 1424115), (15, 1234233), (21, 881595), (27, 685685), (33, 561015), (35, 528957), (39, 474705), (45, 411411), (55, 336609), (63, 293865), (65, 284823), (77, 240435), (91, 203445), (99, 187005), (105, 176319), (117, 158235), (135, 137137), (137, 135135), (143, 129465), (165, 112203), (189, 97955), (195, 94941), (231, 80145), (273, 67815), (297, 62335), (315, 58773), (351, 52745), (385, 48087), (411, 45045), (429, 43155), (455, 40689), (495, 37401), (585, 31647), (685, 27027), (693, 26715), (715, 25893), (819, 22605), (945, 19591), (959, 19305), (1001, 18495), (1155, 16029), (1233, 15015), (1287, 14385), (1365, 13563), (1485, 12467), (1507, 12285), (1755, 10549), (1781, 10395), (2055, 9009), (2079, 8905), (2145, 8631), (2457, 7535), (2877, 6435), (3003, 6165), (3465, 5343), (3699, 5005), (3861, 4795), (4095, 4521)]