19431958

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 37103616

約数和(自身を除く): 17671658

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 169, 182, 191, 301, 338, 382, 559, 602, 1118, 1183, 1337, 2366, 2483, 2674, 3913, 4966, 7267, 7826, 8213, 14534, 16426, 17381, 32279, 34762, 50869, 57491, 64558, 101738, 106769, 114982, 213538, 225953, 451906, 747383, 1387997, 1494766, 2775994, 9715979, 19431958]

約数ペア:

[(1, 19431958), (2, 9715979), (7, 2775994), (13, 1494766), (14, 1387997), (26, 747383), (43, 451906), (86, 225953), (91, 213538), (169, 114982), (182, 106769), (191, 101738), (301, 64558), (338, 57491), (382, 50869), (559, 34762), (602, 32279), (1118, 17381), (1183, 16426), (1337, 14534), (2366, 8213), (2483, 7826), (2674, 7267), (3913, 4966)]