19410495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 36556800

約数和(自身を除く): 17146305

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 169, 195, 247, 285, 403, 465, 507, 589, 741, 845, 1209, 1235, 1767, 2015, 2197, 2535, 2945, 3211, 3705, 5239, 6045, 6591, 7657, 8835, 9633, 10985, 15717, 16055, 22971, 26195, 32955, 38285, 41743, 48165, 68107, 78585, 99541, 114855, 125229, 204321, 208715, 298623, 340535, 497705, 626145, 1021605, 1294033, 1493115, 3882099, 6470165, 19410495]

約数ペア:

[(1, 19410495), (3, 6470165), (5, 3882099), (13, 1493115), (15, 1294033), (19, 1021605), (31, 626145), (39, 497705), (57, 340535), (65, 298623), (93, 208715), (95, 204321), (155, 125229), (169, 114855), (195, 99541), (247, 78585), (285, 68107), (403, 48165), (465, 41743), (507, 38285), (589, 32955), (741, 26195), (845, 22971), (1209, 16055), (1235, 15717), (1767, 10985), (2015, 9633), (2197, 8835), (2535, 7657), (2945, 6591), (3211, 6045), (3705, 5239)]