18921890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2467}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 37316160

約数和(自身を除く): 18394270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2467, 3835, 4934, 7670, 12335, 24670, 32071, 64142, 145553, 160355, 291106, 320710, 727765, 1455530, 1892189, 3784378, 9460945, 18921890]

約数ペア:

[(1, 18921890), (2, 9460945), (5, 3784378), (10, 1892189), (13, 1455530), (26, 727765), (59, 320710), (65, 291106), (118, 160355), (130, 145553), (295, 64142), (590, 32071), (767, 24670), (1534, 12335), (2467, 7670), (3835, 4934)]