19675695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 16902609

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 107, 115, 123, 195, 205, 299, 321, 345, 533, 535, 615, 897, 943, 1391, 1495, 1599, 1605, 2461, 2665, 2829, 4173, 4387, 4485, 4715, 6955, 7383, 7995, 12259, 12305, 13161, 14145, 20865, 21935, 31993, 36777, 36915, 57031, 61295, 65805, 95979, 100901, 159965, 171093, 183885, 285155, 302703, 479895, 504505, 855465, 1311713, 1513515, 3935139, 6558565, 19675695]

約数ペア:

[(1, 19675695), (3, 6558565), (5, 3935139), (13, 1513515), (15, 1311713), (23, 855465), (39, 504505), (41, 479895), (65, 302703), (69, 285155), (107, 183885), (115, 171093), (123, 159965), (195, 100901), (205, 95979), (299, 65805), (321, 61295), (345, 57031), (533, 36915), (535, 36777), (615, 31993), (897, 21935), (943, 20865), (1391, 14145), (1495, 13161), (1599, 12305), (1605, 12259), (2461, 7995), (2665, 7383), (2829, 6955), (4173, 4715), (4387, 4485)]