18375864003

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{24329}}^1$

素因数の和:24992

約数の個数: 48

約数和(自身を含む): 31983244800

約数和(自身を除く): 13607380797

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 631, 1197, 1893, 4417, 5679, 11989, 13251, 24329, 35967, 39753, 72987, 83923, 107901, 170303, 218961, 251769, 462251, 510909, 755307, 1386753, 1532727, 3235757, 4160259, 9707271, 15351599, 29121813, 46054797, 107461193, 138164391, 291680381, 322383579, 875041143, 967150737, 2041762667, 2625123429, 6125288001, 18375864003]

約数ペア:

[(1, 18375864003), (3, 6125288001), (7, 2625123429), (9, 2041762667), (19, 967150737), (21, 875041143), (57, 322383579), (63, 291680381), (133, 138164391), (171, 107461193), (399, 46054797), (631, 29121813), (1197, 15351599), (1893, 9707271), (4417, 4160259), (5679, 3235757), (11989, 1532727), (13251, 1386753), (24329, 755307), (35967, 510909), (39753, 462251), (72987, 251769), (83923, 218961), (107901, 170303)]