18666450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 120

約数和(自身を含む): 56715120

約数和(自身を除く): 38048670

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 81, 90, 99, 110, 135, 150, 162, 165, 198, 225, 270, 275, 297, 330, 405, 419, 450, 495, 550, 594, 675, 810, 825, 838, 891, 990, 1257, 1350, 1485, 1650, 1782, 2025, 2095, 2475, 2514, 2970, 3771, 4050, 4190, 4455, 4609, 4950, 6285, 7425, 7542, 8910, 9218, 10475, 11313, 12570, 13827, 14850, 18855, 20950, 22275, 22626, 23045, 27654, 31425, 33939, 37710, 41481, 44550, 46090, 56565, 62850, 67878, 69135, 82962, 94275, 113130, 115225, 124443, 138270, 169695, 188550, 207405, 230450, 248886, 282825, 339390, 345675, 373329, 414810, 565650, 622215, 691350, 746658, 848475, 1037025, 1244430, 1696950, 1866645, 2074050, 3111075, 3733290, 6222150, 9333225, 18666450]

約数ペア:

[(1, 18666450), (2, 9333225), (3, 6222150), (5, 3733290), (6, 3111075), (9, 2074050), (10, 1866645), (11, 1696950), (15, 1244430), (18, 1037025), (22, 848475), (25, 746658), (27, 691350), (30, 622215), (33, 565650), (45, 414810), (50, 373329), (54, 345675), (55, 339390), (66, 282825), (75, 248886), (81, 230450), (90, 207405), (99, 188550), (110, 169695), (135, 138270), (150, 124443), (162, 115225), (165, 113130), (198, 94275), (225, 82962), (270, 69135), (275, 67878), (297, 62850), (330, 56565), (405, 46090), (419, 44550), (450, 41481), (495, 37710), (550, 33939), (594, 31425), (675, 27654), (810, 23045), (825, 22626), (838, 22275), (891, 20950), (990, 18855), (1257, 14850), (1350, 13827), (1485, 12570), (1650, 11313), (1782, 10475), (2025, 9218), (2095, 8910), (2475, 7542), (2514, 7425), (2970, 6285), (3771, 4950), (4050, 4609), (4190, 4455)]