19393965

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7594

約数の個数: 32

約数和(自身を含む): 36297600

約数和(自身を除く): 16903635

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7561, 22683, 37805, 68049, 113415, 143659, 204147, 340245, 430977, 718295, 1020735, 1292931, 2154885, 3878793, 6464655, 19393965]

約数ペア:

[(1, 19393965), (3, 6464655), (5, 3878793), (9, 2154885), (15, 1292931), (19, 1020735), (27, 718295), (45, 430977), (57, 340245), (95, 204147), (135, 143659), (171, 113415), (285, 68049), (513, 37805), (855, 22683), (2565, 7561)]