19643955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 13547469

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 291, 345, 485, 587, 1455, 1761, 2231, 2935, 6693, 8805, 11155, 13501, 33465, 40503, 56939, 67505, 170817, 202515, 284695, 854085, 1309597, 3928791, 6547985, 19643955]

約数ペア:

[(1, 19643955), (3, 6547985), (5, 3928791), (15, 1309597), (23, 854085), (69, 284695), (97, 202515), (115, 170817), (291, 67505), (345, 56939), (485, 40503), (587, 33465), (1455, 13501), (1761, 11155), (2231, 8805), (2935, 6693)]