18002140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69239}}^1$

素因数の和:69261

約数の個数: 24

約数和(自身を含む): 40713120

約数和(自身を除く): 22710980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69239, 138478, 276956, 346195, 692390, 900107, 1384780, 1800214, 3600428, 4500535, 9001070, 18002140]

約数ペア:

[(1, 18002140), (2, 9001070), (4, 4500535), (5, 3600428), (10, 1800214), (13, 1384780), (20, 900107), (26, 692390), (52, 346195), (65, 276956), (130, 138478), (260, 69239)]