18239715

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 36825600

約数和(自身を除く): 18585885

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 547, 585, 741, 855, 1235, 1641, 1755, 2223, 2565, 2735, 3705, 4923, 6669, 7111, 8205, 10393, 11115, 14769, 21333, 24615, 31179, 33345, 35555, 51965, 63999, 73845, 93537, 106665, 135109, 155895, 191997, 280611, 319995, 405327, 467685, 675545, 959985, 1215981, 1403055, 2026635, 3647943, 6079905, 18239715]

約数ペア:

[(1, 18239715), (3, 6079905), (5, 3647943), (9, 2026635), (13, 1403055), (15, 1215981), (19, 959985), (27, 675545), (39, 467685), (45, 405327), (57, 319995), (65, 280611), (95, 191997), (117, 155895), (135, 135109), (171, 106665), (195, 93537), (247, 73845), (285, 63999), (351, 51965), (513, 35555), (547, 33345), (585, 31179), (741, 24615), (855, 21333), (1235, 14769), (1641, 11115), (1755, 10393), (2223, 8205), (2565, 7111), (2735, 6669), (3705, 4923)]