19817040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82571}}^1$

素因数の和:82587

約数の個数: 40

約数和(自身を含む): 61433568

約数和(自身を除く): 41616528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82571, 165142, 247713, 330284, 412855, 495426, 660568, 825710, 990852, 1238565, 1321136, 1651420, 1981704, 2477130, 3302840, 3963408, 4954260, 6605680, 9908520, 19817040]

約数ペア:

[(1, 19817040), (2, 9908520), (3, 6605680), (4, 4954260), (5, 3963408), (6, 3302840), (8, 2477130), (10, 1981704), (12, 1651420), (15, 1321136), (16, 1238565), (20, 990852), (24, 825710), (30, 660568), (40, 495426), (48, 412855), (60, 330284), (80, 247713), (120, 165142), (240, 82571)]