19247865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19459335

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 239, 273, 295, 413, 455, 717, 767, 885, 1195, 1239, 1365, 1673, 2065, 2301, 3107, 3585, 3835, 5019, 5369, 6195, 8365, 9321, 11505, 14101, 15535, 16107, 21749, 25095, 26845, 42303, 46605, 65247, 70505, 80535, 98707, 108745, 183313, 211515, 296121, 326235, 493535, 549939, 916565, 1283191, 1480605, 2749695, 3849573, 6415955, 19247865]

約数ペア:

[(1, 19247865), (3, 6415955), (5, 3849573), (7, 2749695), (13, 1480605), (15, 1283191), (21, 916565), (35, 549939), (39, 493535), (59, 326235), (65, 296121), (91, 211515), (105, 183313), (177, 108745), (195, 98707), (239, 80535), (273, 70505), (295, 65247), (413, 46605), (455, 42303), (717, 26845), (767, 25095), (885, 21749), (1195, 16107), (1239, 15535), (1365, 14101), (1673, 11505), (2065, 9321), (2301, 8365), (3107, 6195), (3585, 5369), (3835, 5019)]