19555055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 26659584

約数和(自身を除く): 7104529

約数列:

[1, 5, 13, 37, 47, 65, 173, 185, 235, 481, 611, 865, 1739, 2249, 2405, 3055, 6401, 8131, 8695, 11245, 22607, 32005, 40655, 83213, 105703, 113035, 300847, 416065, 528515, 1504235, 3911011, 19555055]

約数ペア:

[(1, 19555055), (5, 3911011), (13, 1504235), (37, 528515), (47, 416065), (65, 300847), (173, 113035), (185, 105703), (235, 83213), (481, 40655), (611, 32005), (865, 22607), (1739, 11245), (2249, 8695), (2405, 8131), (3055, 6401)]