18104775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 33331200

約数和(自身を除く): 15226425

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 599, 775, 975, 1209, 1797, 2015, 2325, 2995, 6045, 7787, 8985, 10075, 14975, 18569, 23361, 30225, 38935, 44925, 55707, 92845, 116805, 194675, 241397, 278535, 464225, 584025, 724191, 1206985, 1392675, 3620955, 6034925, 18104775]

約数ペア:

[(1, 18104775), (3, 6034925), (5, 3620955), (13, 1392675), (15, 1206985), (25, 724191), (31, 584025), (39, 464225), (65, 278535), (75, 241397), (93, 194675), (155, 116805), (195, 92845), (325, 55707), (403, 44925), (465, 38935), (599, 30225), (775, 23361), (975, 18569), (1209, 14975), (1797, 10075), (2015, 8985), (2325, 7787), (2995, 6045)]