19663987005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{153487}}^1$

素因数の和:153587

約数の個数: 64

約数和(自身を含む): 38163256320

約数和(自身を除く): 18499269315

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 73, 117, 135, 195, 219, 351, 365, 585, 657, 949, 1095, 1755, 1971, 2847, 3285, 4745, 8541, 9855, 14235, 25623, 42705, 128115, 153487, 460461, 767435, 1381383, 1995331, 2302305, 4144149, 5985993, 6906915, 9976655, 11204551, 17957979, 20720745, 29929965, 33613653, 53873937, 56022755, 89789895, 100840959, 145659163, 168068265, 269369685, 302522877, 436977489, 504204795, 728295815, 1310932467, 1512614385, 2184887445, 3932797401, 6554662335, 19663987005]

約数ペア:

[(1, 19663987005), (3, 6554662335), (5, 3932797401), (9, 2184887445), (13, 1512614385), (15, 1310932467), (27, 728295815), (39, 504204795), (45, 436977489), (65, 302522877), (73, 269369685), (117, 168068265), (135, 145659163), (195, 100840959), (219, 89789895), (351, 56022755), (365, 53873937), (585, 33613653), (657, 29929965), (949, 20720745), (1095, 17957979), (1755, 11204551), (1971, 9976655), (2847, 6906915), (3285, 5985993), (4745, 4144149), (8541, 2302305), (9855, 1995331), (14235, 1381383), (25623, 767435), (42705, 460461), (128115, 153487)]