19455525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 39580800

約数和(自身を除く): 20125275

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 37, 41, 45, 57, 75, 95, 111, 123, 135, 171, 185, 205, 225, 285, 333, 369, 475, 513, 555, 615, 675, 703, 779, 855, 925, 999, 1025, 1107, 1425, 1517, 1665, 1845, 2109, 2337, 2565, 2775, 3075, 3515, 3895, 4275, 4551, 4995, 5535, 6327, 7011, 7585, 8325, 9225, 10545, 11685, 12825, 13653, 17575, 18981, 19475, 21033, 22755, 24975, 27675, 28823, 31635, 35055, 37925, 40959, 52725, 58425, 68265, 86469, 94905, 105165, 113775, 144115, 158175, 175275, 204795, 259407, 341325, 432345, 474525, 525825, 720575, 778221, 1023975, 1297035, 2161725, 3891105, 6485175, 19455525]

約数ペア:

[(1, 19455525), (3, 6485175), (5, 3891105), (9, 2161725), (15, 1297035), (19, 1023975), (25, 778221), (27, 720575), (37, 525825), (41, 474525), (45, 432345), (57, 341325), (75, 259407), (95, 204795), (111, 175275), (123, 158175), (135, 144115), (171, 113775), (185, 105165), (205, 94905), (225, 86469), (285, 68265), (333, 58425), (369, 52725), (475, 40959), (513, 37925), (555, 35055), (615, 31635), (675, 28823), (703, 27675), (779, 24975), (855, 22755), (925, 21033), (999, 19475), (1025, 18981), (1107, 17575), (1425, 13653), (1517, 12825), (1665, 11685), (1845, 10545), (2109, 9225), (2337, 8325), (2565, 7585), (2775, 7011), (3075, 6327), (3515, 5535), (3895, 4995), (4275, 4551)]