19239129

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 34652800

約数和(自身を除く): 15413671

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 139, 169, 273, 417, 507, 819, 973, 1183, 1251, 1521, 1807, 2197, 2919, 3549, 5421, 6591, 8757, 10647, 12649, 15379, 16263, 19773, 23491, 37947, 46137, 70473, 113841, 138411, 164437, 211419, 305383, 493311, 916149, 1479933, 2137681, 2748447, 6413043, 19239129]

約数ペア:

[(1, 19239129), (3, 6413043), (7, 2748447), (9, 2137681), (13, 1479933), (21, 916149), (39, 493311), (63, 305383), (91, 211419), (117, 164437), (139, 138411), (169, 113841), (273, 70473), (417, 46137), (507, 37947), (819, 23491), (973, 19773), (1183, 16263), (1251, 15379), (1521, 12649), (1807, 10647), (2197, 8757), (2919, 6591), (3549, 5421)]