19381275

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:602

約数の個数: 60

約数和(自身を含む): 38080152

約数和(自身を除く): 18698877

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 563, 675, 765, 1275, 1377, 1689, 2025, 2295, 2815, 3825, 5067, 6885, 8445, 9571, 11475, 14075, 15201, 25335, 28713, 34425, 42225, 45603, 47855, 76005, 86139, 126675, 143565, 228015, 239275, 258417, 380025, 430695, 717825, 775251, 1140075, 1292085, 2153475, 3876255, 6460425, 19381275]

約数ペア:

[(1, 19381275), (3, 6460425), (5, 3876255), (9, 2153475), (15, 1292085), (17, 1140075), (25, 775251), (27, 717825), (45, 430695), (51, 380025), (75, 258417), (81, 239275), (85, 228015), (135, 143565), (153, 126675), (225, 86139), (255, 76005), (405, 47855), (425, 45603), (459, 42225), (563, 34425), (675, 28713), (765, 25335), (1275, 15201), (1377, 14075), (1689, 11475), (2025, 9571), (2295, 8445), (2815, 6885), (3825, 5067)]