18355995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3067}}^1$

素因数の和:3104

約数の個数: 48

約数和(自身を含む): 38288640

約数和(自身を除く): 19932645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3067, 5985, 9201, 15335, 21469, 27603, 46005, 58273, 64407, 107345, 138015, 174819, 193221, 291365, 322035, 407911, 524457, 874095, 966105, 1223733, 2039555, 2622285, 3671199, 6118665, 18355995]

約数ペア:

[(1, 18355995), (3, 6118665), (5, 3671199), (7, 2622285), (9, 2039555), (15, 1223733), (19, 966105), (21, 874095), (35, 524457), (45, 407911), (57, 322035), (63, 291365), (95, 193221), (105, 174819), (133, 138015), (171, 107345), (285, 64407), (315, 58273), (399, 46005), (665, 27603), (855, 21469), (1197, 15335), (1995, 9201), (3067, 5985)]