19926225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 39809952

約数和(自身を除く): 19883727

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 83, 97, 99, 165, 225, 249, 275, 291, 415, 485, 495, 747, 825, 873, 913, 1067, 1245, 1455, 2075, 2425, 2475, 2739, 3201, 3735, 4365, 4565, 5335, 6225, 7275, 8051, 8217, 9603, 13695, 16005, 18675, 21825, 22825, 24153, 26675, 40255, 41085, 48015, 68475, 72459, 80025, 88561, 120765, 201275, 205425, 240075, 265683, 362295, 442805, 603825, 797049, 1328415, 1811475, 2214025, 3985245, 6642075, 19926225]

約数ペア:

[(1, 19926225), (3, 6642075), (5, 3985245), (9, 2214025), (11, 1811475), (15, 1328415), (25, 797049), (33, 603825), (45, 442805), (55, 362295), (75, 265683), (83, 240075), (97, 205425), (99, 201275), (165, 120765), (225, 88561), (249, 80025), (275, 72459), (291, 68475), (415, 48015), (485, 41085), (495, 40255), (747, 26675), (825, 24153), (873, 22825), (913, 21825), (1067, 18675), (1245, 16005), (1455, 13695), (2075, 9603), (2425, 8217), (2475, 8051), (2739, 7275), (3201, 6225), (3735, 5335), (4365, 4565)]