1922895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3800160

約数和(自身を除く): 1877265

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 173, 195, 247, 285, 519, 585, 741, 855, 865, 1235, 1557, 2223, 2249, 2595, 3287, 3705, 6747, 7785, 9861, 11115, 11245, 16435, 20241, 29583, 33735, 42731, 49305, 101205, 128193, 147915, 213655, 384579, 640965, 1922895]

約数ペア:

[(1, 1922895), (3, 640965), (5, 384579), (9, 213655), (13, 147915), (15, 128193), (19, 101205), (39, 49305), (45, 42731), (57, 33735), (65, 29583), (95, 20241), (117, 16435), (171, 11245), (173, 11115), (195, 9861), (247, 7785), (285, 6747), (519, 3705), (585, 3287), (741, 2595), (855, 2249), (865, 2223), (1235, 1557)]