19963272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 37406328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 359, 662, 718, 993, 1077, 1324, 1436, 1986, 2154, 2317, 2513, 2648, 2872, 3972, 4308, 4634, 5026, 6951, 7539, 7944, 8616, 9268, 10052, 13902, 15078, 18536, 20104, 27804, 30156, 55608, 60312, 118829, 237658, 356487, 475316, 712974, 831803, 950632, 1425948, 1663606, 2495409, 2851896, 3327212, 4990818, 6654424, 9981636, 19963272]

約数ペア:

[(1, 19963272), (2, 9981636), (3, 6654424), (4, 4990818), (6, 3327212), (7, 2851896), (8, 2495409), (12, 1663606), (14, 1425948), (21, 950632), (24, 831803), (28, 712974), (42, 475316), (56, 356487), (84, 237658), (168, 118829), (331, 60312), (359, 55608), (662, 30156), (718, 27804), (993, 20104), (1077, 18536), (1324, 15078), (1436, 13902), (1986, 10052), (2154, 9268), (2317, 8616), (2513, 7944), (2648, 7539), (2872, 6951), (3972, 5026), (4308, 4634)]