18677988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 40027932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 76, 83, 84, 94, 114, 126, 133, 141, 166, 171, 188, 228, 249, 252, 266, 282, 329, 332, 342, 399, 423, 498, 532, 564, 581, 658, 684, 747, 798, 846, 893, 987, 996, 1162, 1197, 1316, 1494, 1577, 1596, 1692, 1743, 1786, 1974, 2324, 2394, 2679, 2961, 2988, 3154, 3486, 3572, 3901, 3948, 4731, 4788, 5229, 5358, 5922, 6251, 6308, 6972, 7802, 8037, 9462, 10458, 10716, 11039, 11703, 11844, 12502, 14193, 15604, 16074, 18753, 18924, 20916, 22078, 23406, 25004, 27307, 28386, 32148, 33117, 35109, 37506, 44156, 46812, 54614, 56259, 56772, 66234, 70218, 74119, 75012, 81921, 99351, 109228, 112518, 132468, 140436, 148238, 163842, 198702, 222357, 225036, 245763, 296476, 327684, 397404, 444714, 491526, 518833, 667071, 889428, 983052, 1037666, 1334142, 1556499, 2075332, 2668284, 3112998, 4669497, 6225996, 9338994, 18677988]

約数ペア:

[(1, 18677988), (2, 9338994), (3, 6225996), (4, 4669497), (6, 3112998), (7, 2668284), (9, 2075332), (12, 1556499), (14, 1334142), (18, 1037666), (19, 983052), (21, 889428), (28, 667071), (36, 518833), (38, 491526), (42, 444714), (47, 397404), (57, 327684), (63, 296476), (76, 245763), (83, 225036), (84, 222357), (94, 198702), (114, 163842), (126, 148238), (133, 140436), (141, 132468), (166, 112518), (171, 109228), (188, 99351), (228, 81921), (249, 75012), (252, 74119), (266, 70218), (282, 66234), (329, 56772), (332, 56259), (342, 54614), (399, 46812), (423, 44156), (498, 37506), (532, 35109), (564, 33117), (581, 32148), (658, 28386), (684, 27307), (747, 25004), (798, 23406), (846, 22078), (893, 20916), (987, 18924), (996, 18753), (1162, 16074), (1197, 15604), (1316, 14193), (1494, 12502), (1577, 11844), (1596, 11703), (1692, 11039), (1743, 10716), (1786, 10458), (1974, 9462), (2324, 8037), (2394, 7802), (2679, 6972), (2961, 6308), (2988, 6251), (3154, 5922), (3486, 5358), (3572, 5229), (3901, 4788), (3948, 4731)]