19435185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 43130880

約数和(自身を除く): 23695695

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 71, 77, 79, 99, 105, 165, 213, 231, 237, 315, 355, 385, 395, 495, 497, 553, 639, 693, 711, 781, 869, 1065, 1155, 1185, 1491, 1659, 2343, 2485, 2607, 2765, 3195, 3465, 3555, 3905, 4345, 4473, 4977, 5467, 5609, 6083, 7029, 7455, 7821, 8295, 11715, 13035, 16401, 16827, 18249, 22365, 24885, 27335, 28045, 30415, 35145, 39105, 39263, 49203, 50481, 54747, 61699, 82005, 84135, 91245, 117789, 185097, 196315, 246015, 252405, 273735, 308495, 353367, 431893, 555291, 588945, 925485, 1295679, 1766835, 2159465, 2776455, 3887037, 6478395, 19435185]

約数ペア:

[(1, 19435185), (3, 6478395), (5, 3887037), (7, 2776455), (9, 2159465), (11, 1766835), (15, 1295679), (21, 925485), (33, 588945), (35, 555291), (45, 431893), (55, 353367), (63, 308495), (71, 273735), (77, 252405), (79, 246015), (99, 196315), (105, 185097), (165, 117789), (213, 91245), (231, 84135), (237, 82005), (315, 61699), (355, 54747), (385, 50481), (395, 49203), (495, 39263), (497, 39105), (553, 35145), (639, 30415), (693, 28045), (711, 27335), (781, 24885), (869, 22365), (1065, 18249), (1155, 16827), (1185, 16401), (1491, 13035), (1659, 11715), (2343, 8295), (2485, 7821), (2607, 7455), (2765, 7029), (3195, 6083), (3465, 5609), (3555, 5467), (3905, 4977), (4345, 4473)]