18930007155

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1753}}^1\times {\mathrm{19457}}^1$

素因数の和:21255

約数の個数: 32

約数和(自身を含む): 31125950784

約数和(自身を除く): 12195943629

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1753, 5259, 8765, 19457, 26295, 58371, 64861, 97285, 194583, 291855, 324305, 719909, 972915, 2159727, 3599545, 10798635, 34108121, 102324363, 170540605, 511621815, 1262000477, 3786001431, 6310002385, 18930007155]

約数ペア:

[(1, 18930007155), (3, 6310002385), (5, 3786001431), (15, 1262000477), (37, 511621815), (111, 170540605), (185, 102324363), (555, 34108121), (1753, 10798635), (5259, 3599545), (8765, 2159727), (19457, 972915), (26295, 719909), (58371, 324305), (64861, 291855), (97285, 194583)]