19009965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7499}}^1$

素因数の和:7533

約数の個数: 24

約数和(自身を含む): 32940000

約数和(自身を除く): 13930035

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7499, 22497, 37495, 97487, 112485, 292461, 487435, 1267331, 1462305, 3801993, 6336655, 19009965]

約数ペア:

[(1, 19009965), (3, 6336655), (5, 3801993), (13, 1462305), (15, 1267331), (39, 487435), (65, 292461), (169, 112485), (195, 97487), (507, 37495), (845, 22497), (2535, 7499)]