19840072

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1021}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 42678720

約数和(自身を除く): 22838648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1021, 1388, 2042, 2429, 2776, 4084, 4858, 7147, 8168, 9716, 14294, 19432, 28588, 57176, 354287, 708574, 1417148, 2480009, 2834296, 4960018, 9920036, 19840072]

約数ペア:

[(1, 19840072), (2, 9920036), (4, 4960018), (7, 2834296), (8, 2480009), (14, 1417148), (28, 708574), (56, 354287), (347, 57176), (694, 28588), (1021, 19432), (1388, 14294), (2042, 9716), (2429, 8168), (2776, 7147), (4084, 4858)]