19815075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 42402048

約数和(自身を除く): 22586973

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 161, 175, 207, 225, 315, 345, 483, 525, 547, 575, 805, 1035, 1449, 1575, 1641, 1725, 2415, 2735, 3829, 4025, 4923, 5175, 7245, 8205, 11487, 12075, 12581, 13675, 19145, 24615, 34461, 36225, 37743, 41025, 57435, 62905, 88067, 95725, 113229, 123075, 172305, 188715, 264201, 287175, 314525, 440335, 566145, 792603, 861525, 943575, 1321005, 2201675, 2830725, 3963015, 6605025, 19815075]

約数ペア:

[(1, 19815075), (3, 6605025), (5, 3963015), (7, 2830725), (9, 2201675), (15, 1321005), (21, 943575), (23, 861525), (25, 792603), (35, 566145), (45, 440335), (63, 314525), (69, 287175), (75, 264201), (105, 188715), (115, 172305), (161, 123075), (175, 113229), (207, 95725), (225, 88067), (315, 62905), (345, 57435), (483, 41025), (525, 37743), (547, 36225), (575, 34461), (805, 24615), (1035, 19145), (1449, 13675), (1575, 12581), (1641, 12075), (1725, 11487), (2415, 8205), (2735, 7245), (3829, 5175), (4025, 4923)]