18644724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 54262208

約数和(自身を除く): 35617484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 241, 252, 307, 482, 614, 723, 921, 964, 1228, 1446, 1687, 1842, 2149, 2169, 2763, 2892, 3374, 3684, 4298, 4338, 5061, 5526, 6447, 6748, 8596, 8676, 10122, 11052, 12894, 15183, 19341, 20244, 25788, 30366, 38682, 60732, 73987, 77364, 147974, 221961, 295948, 443922, 517909, 665883, 887844, 1035818, 1331766, 1553727, 2071636, 2663532, 3107454, 4661181, 6214908, 9322362, 18644724]

約数ペア:

[(1, 18644724), (2, 9322362), (3, 6214908), (4, 4661181), (6, 3107454), (7, 2663532), (9, 2071636), (12, 1553727), (14, 1331766), (18, 1035818), (21, 887844), (28, 665883), (36, 517909), (42, 443922), (63, 295948), (84, 221961), (126, 147974), (241, 77364), (252, 73987), (307, 60732), (482, 38682), (614, 30366), (723, 25788), (921, 20244), (964, 19341), (1228, 15183), (1446, 12894), (1687, 11052), (1842, 10122), (2149, 8676), (2169, 8596), (2763, 6748), (2892, 6447), (3374, 5526), (3684, 5061), (4298, 4338)]