19521569145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2130013}}^1$

素因数の和:2130081

約数の個数: 32

約数和(自身を含む): 34352865792

約数和(自身を除く): 14831296647

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 2130013, 6390039, 10650065, 27690169, 31950195, 83070507, 100110611, 138450845, 300331833, 415352535, 500553055, 1301437943, 1501659165, 3904313829, 6507189715, 19521569145]

約数ペア:

[(1, 19521569145), (3, 6507189715), (5, 3904313829), (13, 1501659165), (15, 1301437943), (39, 500553055), (47, 415352535), (65, 300331833), (141, 138450845), (195, 100110611), (235, 83070507), (611, 31950195), (705, 27690169), (1833, 10650065), (3055, 6390039), (9165, 2130013)]