18887850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 55175040

約数和(自身を除く): 36287190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 823, 850, 918, 1275, 1350, 1530, 1646, 2295, 2469, 2550, 3825, 4115, 4590, 4938, 7407, 7650, 8230, 11475, 12345, 13991, 14814, 20575, 22221, 22950, 24690, 27982, 37035, 41150, 41973, 44442, 61725, 69955, 74070, 83946, 111105, 123450, 125919, 139910, 185175, 209865, 222210, 251838, 349775, 370350, 377757, 419730, 555525, 629595, 699550, 755514, 1049325, 1111050, 1259190, 1888785, 2098650, 3147975, 3777570, 6295950, 9443925, 18887850]

約数ペア:

[(1, 18887850), (2, 9443925), (3, 6295950), (5, 3777570), (6, 3147975), (9, 2098650), (10, 1888785), (15, 1259190), (17, 1111050), (18, 1049325), (25, 755514), (27, 699550), (30, 629595), (34, 555525), (45, 419730), (50, 377757), (51, 370350), (54, 349775), (75, 251838), (85, 222210), (90, 209865), (102, 185175), (135, 139910), (150, 125919), (153, 123450), (170, 111105), (225, 83946), (255, 74070), (270, 69955), (306, 61725), (425, 44442), (450, 41973), (459, 41150), (510, 37035), (675, 27982), (765, 24690), (823, 22950), (850, 22221), (918, 20575), (1275, 14814), (1350, 13991), (1530, 12345), (1646, 11475), (2295, 8230), (2469, 7650), (2550, 7407), (3825, 4938), (4115, 4590)]