18449236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 36703744

約数和(自身を除く): 18254508

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 223, 446, 481, 559, 892, 962, 1118, 1591, 1924, 2236, 2899, 3182, 5798, 6364, 8251, 9589, 11596, 16502, 19178, 20683, 33004, 38356, 41366, 82732, 107263, 124657, 214526, 249314, 354793, 429052, 498628, 709586, 1419172, 4612309, 9224618, 18449236]

約数ペア:

[(1, 18449236), (2, 9224618), (4, 4612309), (13, 1419172), (26, 709586), (37, 498628), (43, 429052), (52, 354793), (74, 249314), (86, 214526), (148, 124657), (172, 107263), (223, 82732), (446, 41366), (481, 38356), (559, 33004), (892, 20683), (962, 19178), (1118, 16502), (1591, 11596), (1924, 9589), (2236, 8251), (2899, 6364), (3182, 5798)]