2019778902

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{547}}^1\times {\mathrm{991}}^1$

素因数の和:1575

約数の個数: 80

約数和(自身を含む): 4735982592

約数和(自身を除く): 2716203690

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 547, 621, 991, 1094, 1242, 1641, 1863, 1982, 2973, 3282, 3726, 4923, 5946, 8919, 9846, 12581, 14769, 17838, 22793, 25162, 26757, 29538, 37743, 44307, 45586, 53514, 68379, 75486, 80271, 88614, 113229, 136758, 160542, 205137, 226458, 339687, 410274, 542077, 615411, 679374, 1019061, 1084154, 1230822, 1626231, 1846233, 2038122, 3252462, 3692466, 4878693, 9757386, 12467771, 14636079, 24935542, 29272158, 37403313, 43908237, 74806626, 87816474, 112209939, 224419878, 336629817, 673259634, 1009889451, 2019778902]

約数ペア:

[(1, 2019778902), (2, 1009889451), (3, 673259634), (6, 336629817), (9, 224419878), (18, 112209939), (23, 87816474), (27, 74806626), (46, 43908237), (54, 37403313), (69, 29272158), (81, 24935542), (138, 14636079), (162, 12467771), (207, 9757386), (414, 4878693), (547, 3692466), (621, 3252462), (991, 2038122), (1094, 1846233), (1242, 1626231), (1641, 1230822), (1863, 1084154), (1982, 1019061), (2973, 679374), (3282, 615411), (3726, 542077), (4923, 410274), (5946, 339687), (8919, 226458), (9846, 205137), (12581, 160542), (14769, 136758), (17838, 113229), (22793, 88614), (25162, 80271), (26757, 75486), (29538, 68379), (37743, 53514), (44307, 45586)]