19307470

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 24439730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 433, 455, 490, 637, 686, 866, 910, 1274, 1715, 2165, 3031, 3185, 3430, 4330, 4459, 5629, 6062, 6370, 8918, 11258, 15155, 21217, 22295, 28145, 30310, 39403, 42434, 44590, 56290, 78806, 106085, 148519, 197015, 212170, 275821, 297038, 394030, 551642, 742595, 1379105, 1485190, 1930747, 2758210, 3861494, 9653735, 19307470]

約数ペア:

[(1, 19307470), (2, 9653735), (5, 3861494), (7, 2758210), (10, 1930747), (13, 1485190), (14, 1379105), (26, 742595), (35, 551642), (49, 394030), (65, 297038), (70, 275821), (91, 212170), (98, 197015), (130, 148519), (182, 106085), (245, 78806), (343, 56290), (433, 44590), (455, 42434), (490, 39403), (637, 30310), (686, 28145), (866, 22295), (910, 21217), (1274, 15155), (1715, 11258), (2165, 8918), (3031, 6370), (3185, 6062), (3430, 5629), (4330, 4459)]