18942840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7517}}^1$

素因数の和:7541

約数の個数: 96

約数和(自身を含む): 70368480

約数和(自身を除く): 51425640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7517, 15034, 22551, 30068, 37585, 45102, 52619, 60136, 67653, 75170, 90204, 105238, 112755, 135306, 150340, 157857, 180408, 210476, 225510, 263095, 270612, 300680, 315714, 338265, 420952, 451020, 473571, 526190, 541224, 631428, 676530, 789285, 902040, 947142, 1052380, 1262856, 1353060, 1578570, 1894284, 2104760, 2367855, 2706120, 3157140, 3788568, 4735710, 6314280, 9471420, 18942840]

約数ペア:

[(1, 18942840), (2, 9471420), (3, 6314280), (4, 4735710), (5, 3788568), (6, 3157140), (7, 2706120), (8, 2367855), (9, 2104760), (10, 1894284), (12, 1578570), (14, 1353060), (15, 1262856), (18, 1052380), (20, 947142), (21, 902040), (24, 789285), (28, 676530), (30, 631428), (35, 541224), (36, 526190), (40, 473571), (42, 451020), (45, 420952), (56, 338265), (60, 315714), (63, 300680), (70, 270612), (72, 263095), (84, 225510), (90, 210476), (105, 180408), (120, 157857), (126, 150340), (140, 135306), (168, 112755), (180, 105238), (210, 90204), (252, 75170), (280, 67653), (315, 60136), (360, 52619), (420, 45102), (504, 37585), (630, 30068), (840, 22551), (1260, 15034), (2520, 7517)]