18539300

素因数分解:

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

素因数の和:1137

約数の個数: 54

約数和(自身を含む): 43602678

約数和(自身を除く): 25063378

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1097, 1300, 1690, 2194, 3380, 4225, 4388, 5485, 8450, 10970, 14261, 16900, 21940, 27425, 28522, 54850, 57044, 71305, 109700, 142610, 185393, 285220, 356525, 370786, 713050, 741572, 926965, 1426100, 1853930, 3707860, 4634825, 9269650, 18539300]

約数ペア:

[(1, 18539300), (2, 9269650), (4, 4634825), (5, 3707860), (10, 1853930), (13, 1426100), (20, 926965), (25, 741572), (26, 713050), (50, 370786), (52, 356525), (65, 285220), (100, 185393), (130, 142610), (169, 109700), (260, 71305), (325, 57044), (338, 54850), (650, 28522), (676, 27425), (845, 21940), (1097, 16900), (1300, 14261), (1690, 10970), (2194, 8450), (3380, 5485), (4225, 4388)]