19673040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81971}}^1$

素因数の和:81987

約数の個数: 40

約数和(自身を含む): 60987168

約数和(自身を除く): 41314128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81971, 163942, 245913, 327884, 409855, 491826, 655768, 819710, 983652, 1229565, 1311536, 1639420, 1967304, 2459130, 3278840, 3934608, 4918260, 6557680, 9836520, 19673040]

約数ペア:

[(1, 19673040), (2, 9836520), (3, 6557680), (4, 4918260), (5, 3934608), (6, 3278840), (8, 2459130), (10, 1967304), (12, 1639420), (15, 1311536), (16, 1229565), (20, 983652), (24, 819710), (30, 655768), (40, 491826), (48, 409855), (60, 327884), (80, 245913), (120, 163942), (240, 81971)]