16778538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 44104320

約数和(自身を除く): 27325782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 59, 61, 63, 74, 111, 118, 122, 126, 177, 183, 222, 259, 333, 354, 366, 413, 427, 518, 531, 549, 666, 777, 826, 854, 1062, 1098, 1239, 1281, 1554, 2183, 2257, 2331, 2478, 2562, 3599, 3717, 3843, 4366, 4514, 4662, 6549, 6771, 7198, 7434, 7686, 10797, 13098, 13542, 15281, 15799, 19647, 20313, 21594, 25193, 30562, 31598, 32391, 39294, 40626, 45843, 47397, 50386, 64782, 75579, 91686, 94794, 133163, 137529, 142191, 151158, 226737, 266326, 275058, 284382, 399489, 453474, 798978, 932141, 1198467, 1864282, 2396934, 2796423, 5592846, 8389269, 16778538]

約数ペア:

[(1, 16778538), (2, 8389269), (3, 5592846), (6, 2796423), (7, 2396934), (9, 1864282), (14, 1198467), (18, 932141), (21, 798978), (37, 453474), (42, 399489), (59, 284382), (61, 275058), (63, 266326), (74, 226737), (111, 151158), (118, 142191), (122, 137529), (126, 133163), (177, 94794), (183, 91686), (222, 75579), (259, 64782), (333, 50386), (354, 47397), (366, 45843), (413, 40626), (427, 39294), (518, 32391), (531, 31598), (549, 30562), (666, 25193), (777, 21594), (826, 20313), (854, 19647), (1062, 15799), (1098, 15281), (1239, 13542), (1281, 13098), (1554, 10797), (2183, 7686), (2257, 7434), (2331, 7198), (2478, 6771), (2562, 6549), (3599, 4662), (3717, 4514), (3843, 4366)]