19822790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 18914650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1097, 1390, 1807, 2194, 3614, 5485, 9035, 10970, 14261, 18070, 28522, 71305, 142610, 152483, 304966, 762415, 1524830, 1982279, 3964558, 9911395, 19822790]

約数ペア:

[(1, 19822790), (2, 9911395), (5, 3964558), (10, 1982279), (13, 1524830), (26, 762415), (65, 304966), (130, 152483), (139, 142610), (278, 71305), (695, 28522), (1097, 18070), (1390, 14261), (1807, 10970), (2194, 9035), (3614, 5485)]