19777095

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18930105

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 59, 65, 117, 135, 177, 191, 195, 295, 351, 531, 573, 585, 767, 885, 955, 1593, 1719, 1755, 2301, 2483, 2655, 2865, 3835, 5157, 6903, 7449, 7965, 8595, 11269, 11505, 12415, 20709, 22347, 25785, 33807, 34515, 37245, 56345, 67041, 101421, 103545, 111735, 146497, 169035, 304263, 335205, 439491, 507105, 732485, 1318473, 1521315, 2197455, 3955419, 6592365, 19777095]

約数ペア:

[(1, 19777095), (3, 6592365), (5, 3955419), (9, 2197455), (13, 1521315), (15, 1318473), (27, 732485), (39, 507105), (45, 439491), (59, 335205), (65, 304263), (117, 169035), (135, 146497), (177, 111735), (191, 103545), (195, 101421), (295, 67041), (351, 56345), (531, 37245), (573, 34515), (585, 33807), (767, 25785), (885, 22347), (955, 20709), (1593, 12415), (1719, 11505), (1755, 11269), (2301, 8595), (2483, 7965), (2655, 7449), (2865, 6903), (3835, 5157)]