18738675

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 38568960

約数和(自身を除く): 19830285

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 45, 51, 69, 71, 75, 85, 115, 135, 153, 207, 213, 225, 255, 345, 355, 391, 425, 459, 575, 621, 639, 675, 765, 1035, 1065, 1173, 1207, 1275, 1633, 1725, 1775, 1917, 1955, 2295, 3105, 3195, 3519, 3621, 3825, 4899, 5175, 5325, 5865, 6035, 8165, 9585, 9775, 10557, 10863, 11475, 14697, 15525, 15975, 17595, 18105, 24495, 27761, 29325, 30175, 32589, 40825, 44091, 47925, 52785, 54315, 73485, 83283, 87975, 90525, 122475, 138805, 162945, 220455, 249849, 263925, 271575, 367425, 416415, 694025, 749547, 814725, 1102275, 1249245, 2082075, 3747735, 6246225, 18738675]

約数ペア:

[(1, 18738675), (3, 6246225), (5, 3747735), (9, 2082075), (15, 1249245), (17, 1102275), (23, 814725), (25, 749547), (27, 694025), (45, 416415), (51, 367425), (69, 271575), (71, 263925), (75, 249849), (85, 220455), (115, 162945), (135, 138805), (153, 122475), (207, 90525), (213, 87975), (225, 83283), (255, 73485), (345, 54315), (355, 52785), (391, 47925), (425, 44091), (459, 40825), (575, 32589), (621, 30175), (639, 29325), (675, 27761), (765, 24495), (1035, 18105), (1065, 17595), (1173, 15975), (1207, 15525), (1275, 14697), (1633, 11475), (1725, 10863), (1775, 10557), (1917, 9775), (1955, 9585), (2295, 8165), (3105, 6035), (3195, 5865), (3519, 5325), (3621, 5175), (3825, 4899)]