18745610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3517}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 37234512

約数和(自身を除く): 18488902

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3517, 5330, 7034, 17585, 35170, 45721, 91442, 144197, 228605, 288394, 457210, 720985, 1441970, 1874561, 3749122, 9372805, 18745610]

約数ペア:

[(1, 18745610), (2, 9372805), (5, 3749122), (10, 1874561), (13, 1441970), (26, 720985), (41, 457210), (65, 288394), (82, 228605), (130, 144197), (205, 91442), (410, 45721), (533, 35170), (1066, 17585), (2665, 7034), (3517, 5330)]