18739710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 55531008

約数和(自身を除く): 36791298

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 69, 90, 99, 110, 115, 138, 165, 198, 207, 230, 253, 330, 345, 414, 495, 506, 690, 759, 823, 990, 1035, 1265, 1518, 1646, 2070, 2277, 2469, 2530, 3795, 4115, 4554, 4938, 7407, 7590, 8230, 9053, 11385, 12345, 14814, 18106, 18929, 22770, 24690, 27159, 37035, 37858, 45265, 54318, 56787, 74070, 81477, 90530, 94645, 113574, 135795, 162954, 170361, 189290, 208219, 271590, 283935, 340722, 407385, 416438, 567870, 624657, 814770, 851805, 1041095, 1249314, 1703610, 1873971, 2082190, 3123285, 3747942, 6246570, 9369855, 18739710]

約数ペア:

[(1, 18739710), (2, 9369855), (3, 6246570), (5, 3747942), (6, 3123285), (9, 2082190), (10, 1873971), (11, 1703610), (15, 1249314), (18, 1041095), (22, 851805), (23, 814770), (30, 624657), (33, 567870), (45, 416438), (46, 407385), (55, 340722), (66, 283935), (69, 271590), (90, 208219), (99, 189290), (110, 170361), (115, 162954), (138, 135795), (165, 113574), (198, 94645), (207, 90530), (230, 81477), (253, 74070), (330, 56787), (345, 54318), (414, 45265), (495, 37858), (506, 37035), (690, 27159), (759, 24690), (823, 22770), (990, 18929), (1035, 18106), (1265, 14814), (1518, 12345), (1646, 11385), (2070, 9053), (2277, 8230), (2469, 7590), (2530, 7407), (3795, 4938), (4115, 4554)]