19561302

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 43929600

約数和(自身を除く): 24368298

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 199, 254, 258, 381, 387, 398, 597, 762, 774, 1143, 1194, 1791, 2286, 3582, 5461, 8557, 10922, 16383, 17114, 25273, 25671, 32766, 49149, 50546, 51342, 75819, 77013, 98298, 151638, 154026, 227457, 454914, 1086739, 2173478, 3260217, 6520434, 9780651, 19561302]

約数ペア:

[(1, 19561302), (2, 9780651), (3, 6520434), (6, 3260217), (9, 2173478), (18, 1086739), (43, 454914), (86, 227457), (127, 154026), (129, 151638), (199, 98298), (254, 77013), (258, 75819), (381, 51342), (387, 50546), (398, 49149), (597, 32766), (762, 25671), (774, 25273), (1143, 17114), (1194, 16383), (1791, 10922), (2286, 8557), (3582, 5461)]