18783045

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 35335872

約数和(自身を除く): 16552827

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 571, 645, 731, 765, 1713, 1935, 2193, 2855, 3655, 5139, 6579, 8565, 9707, 10965, 24553, 25695, 29121, 32895, 48535, 73659, 87363, 122765, 145605, 220977, 368295, 417401, 436815, 1104885, 1252203, 2087005, 3756609, 6261015, 18783045]

約数ペア:

[(1, 18783045), (3, 6261015), (5, 3756609), (9, 2087005), (15, 1252203), (17, 1104885), (43, 436815), (45, 417401), (51, 368295), (85, 220977), (129, 145605), (153, 122765), (215, 87363), (255, 73659), (387, 48535), (571, 32895), (645, 29121), (731, 25695), (765, 24553), (1713, 10965), (1935, 9707), (2193, 8565), (2855, 6579), (3655, 5139)]