19381155

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 13188189

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 743, 1739, 2229, 3715, 5217, 8695, 11145, 26085, 27491, 34921, 82473, 104763, 137455, 174605, 412365, 523815, 1292077, 3876231, 6460385, 19381155]

約数ペア:

[(1, 19381155), (3, 6460385), (5, 3876231), (15, 1292077), (37, 523815), (47, 412365), (111, 174605), (141, 137455), (185, 104763), (235, 82473), (555, 34921), (705, 27491), (743, 26085), (1739, 11145), (2229, 8695), (3715, 5217)]