19884170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 37403856

約数和(自身を除く): 17519686

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 881, 1762, 2257, 4405, 4514, 8810, 11285, 22570, 32597, 53741, 65194, 107482, 162985, 268705, 325970, 537410, 1988417, 3976834, 9942085, 19884170]

約数ペア:

[(1, 19884170), (2, 9942085), (5, 3976834), (10, 1988417), (37, 537410), (61, 325970), (74, 268705), (122, 162985), (185, 107482), (305, 65194), (370, 53741), (610, 32597), (881, 22570), (1762, 11285), (2257, 8810), (4405, 4514)]