18267760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32621}}^1$

素因数の和:32641

約数の個数: 40

約数和(自身を含む): 48541536

約数和(自身を除く): 30273776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32621, 65242, 130484, 163105, 228347, 260968, 326210, 456694, 521936, 652420, 913388, 1141735, 1304840, 1826776, 2283470, 2609680, 3653552, 4566940, 9133880, 18267760]

約数ペア:

[(1, 18267760), (2, 9133880), (4, 4566940), (5, 3653552), (7, 2609680), (8, 2283470), (10, 1826776), (14, 1304840), (16, 1141735), (20, 913388), (28, 652420), (35, 521936), (40, 456694), (56, 326210), (70, 260968), (80, 228347), (112, 163105), (140, 130484), (280, 65242), (560, 32621)]