19371285

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 17124075

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 71, 129, 135, 141, 213, 215, 235, 355, 387, 423, 639, 645, 705, 1065, 1161, 1269, 1917, 1935, 2021, 2115, 3053, 3195, 3337, 5805, 6063, 6345, 9159, 9585, 10011, 10105, 15265, 16685, 18189, 27477, 30033, 30315, 45795, 50055, 54567, 82431, 90099, 90945, 137385, 143491, 150165, 272835, 412155, 430473, 450495, 717455, 1291419, 2152365, 3874257, 6457095, 19371285]

約数ペア:

[(1, 19371285), (3, 6457095), (5, 3874257), (9, 2152365), (15, 1291419), (27, 717455), (43, 450495), (45, 430473), (47, 412155), (71, 272835), (129, 150165), (135, 143491), (141, 137385), (213, 90945), (215, 90099), (235, 82431), (355, 54567), (387, 50055), (423, 45795), (639, 30315), (645, 30033), (705, 27477), (1065, 18189), (1161, 16685), (1269, 15265), (1917, 10105), (1935, 10011), (2021, 9585), (2115, 9159), (3053, 6345), (3195, 6063), (3337, 5805)]