18875955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6199}}^1$

素因数の和:6243

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 16836045

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6199, 18597, 30995, 43393, 92985, 130179, 179771, 216965, 539313, 650895, 898855, 1258397, 2696565, 3775191, 6291985, 18875955]

約数ペア:

[(1, 18875955), (3, 6291985), (5, 3775191), (7, 2696565), (15, 1258397), (21, 898855), (29, 650895), (35, 539313), (87, 216965), (105, 179771), (145, 130179), (203, 92985), (435, 43393), (609, 30995), (1015, 18597), (3045, 6199)]