18698904

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 41781096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 83, 84, 108, 126, 149, 166, 168, 189, 216, 249, 252, 298, 332, 378, 447, 498, 504, 581, 596, 664, 747, 756, 894, 996, 1043, 1162, 1192, 1341, 1494, 1512, 1743, 1788, 1992, 2086, 2241, 2324, 2682, 2988, 3129, 3486, 3576, 4023, 4172, 4482, 4648, 5229, 5364, 5976, 6258, 6972, 8046, 8344, 8964, 9387, 10458, 10728, 12367, 12516, 13944, 15687, 16092, 17928, 18774, 20916, 24734, 25032, 28161, 31374, 32184, 37101, 37548, 41832, 49468, 56322, 62748, 74202, 75096, 86569, 98936, 111303, 112644, 125496, 148404, 173138, 222606, 225288, 259707, 296808, 333909, 346276, 445212, 519414, 667818, 692552, 779121, 890424, 1038828, 1335636, 1558242, 2077656, 2337363, 2671272, 3116484, 4674726, 6232968, 9349452, 18698904]

約数ペア:

[(1, 18698904), (2, 9349452), (3, 6232968), (4, 4674726), (6, 3116484), (7, 2671272), (8, 2337363), (9, 2077656), (12, 1558242), (14, 1335636), (18, 1038828), (21, 890424), (24, 779121), (27, 692552), (28, 667818), (36, 519414), (42, 445212), (54, 346276), (56, 333909), (63, 296808), (72, 259707), (83, 225288), (84, 222606), (108, 173138), (126, 148404), (149, 125496), (166, 112644), (168, 111303), (189, 98936), (216, 86569), (249, 75096), (252, 74202), (298, 62748), (332, 56322), (378, 49468), (447, 41832), (498, 37548), (504, 37101), (581, 32184), (596, 31374), (664, 28161), (747, 25032), (756, 24734), (894, 20916), (996, 18774), (1043, 17928), (1162, 16092), (1192, 15687), (1341, 13944), (1494, 12516), (1512, 12367), (1743, 10728), (1788, 10458), (1992, 9387), (2086, 8964), (2241, 8344), (2324, 8046), (2682, 6972), (2988, 6258), (3129, 5976), (3486, 5364), (3576, 5229), (4023, 4648), (4172, 4482)]