18727065

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 41040000

約数和(自身を除く): 22312935

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 95, 105, 133, 135, 147, 149, 171, 189, 245, 285, 315, 399, 441, 447, 513, 665, 735, 745, 855, 931, 945, 1043, 1197, 1323, 1341, 1995, 2205, 2235, 2565, 2793, 2831, 3129, 3591, 4023, 4655, 5215, 5985, 6615, 6705, 7301, 8379, 8493, 9387, 13965, 14155, 15645, 17955, 19817, 20115, 21903, 25137, 25479, 28161, 36505, 41895, 42465, 46935, 59451, 65709, 76437, 99085, 109515, 125685, 127395, 138719, 140805, 178353, 197127, 297255, 328545, 382185, 416157, 535059, 693595, 891765, 985635, 1248471, 2080785, 2675295, 3745413, 6242355, 18727065]

約数ペア:

[(1, 18727065), (3, 6242355), (5, 3745413), (7, 2675295), (9, 2080785), (15, 1248471), (19, 985635), (21, 891765), (27, 693595), (35, 535059), (45, 416157), (49, 382185), (57, 328545), (63, 297255), (95, 197127), (105, 178353), (133, 140805), (135, 138719), (147, 127395), (149, 125685), (171, 109515), (189, 99085), (245, 76437), (285, 65709), (315, 59451), (399, 46935), (441, 42465), (447, 41895), (513, 36505), (665, 28161), (735, 25479), (745, 25137), (855, 21903), (931, 20115), (945, 19817), (1043, 17955), (1197, 15645), (1323, 14155), (1341, 13965), (1995, 9387), (2205, 8493), (2235, 8379), (2565, 7301), (2793, 6705), (2831, 6615), (3129, 5985), (3591, 5215), (4023, 4655)]