19528089

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 30340800

約数和(自身を除く): 10812711

約数列:

[1, 3, 7, 21, 79, 149, 237, 447, 553, 1043, 1659, 3129, 6241, 11771, 18723, 35313, 43687, 82397, 131061, 247191, 929909, 2789727, 6509363, 19528089]

約数ペア:

[(1, 19528089), (3, 6509363), (7, 2789727), (21, 929909), (79, 247191), (149, 131061), (237, 82397), (447, 43687), (553, 35313), (1043, 18723), (1659, 11771), (3129, 6241)]