18958995

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 38983680

約数和(自身を除く): 20024685

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 751, 765, 935, 1485, 1683, 2253, 2295, 2805, 3755, 5049, 6759, 8261, 8415, 11265, 12767, 20277, 24783, 25245, 33795, 38301, 41305, 63835, 74349, 101385, 114903, 123915, 140437, 191505, 223047, 344709, 371745, 421311, 574515, 702185, 1115235, 1263933, 1723545, 2106555, 3791799, 6319665, 18958995]

約数ペア:

[(1, 18958995), (3, 6319665), (5, 3791799), (9, 2106555), (11, 1723545), (15, 1263933), (17, 1115235), (27, 702185), (33, 574515), (45, 421311), (51, 371745), (55, 344709), (85, 223047), (99, 191505), (135, 140437), (153, 123915), (165, 114903), (187, 101385), (255, 74349), (297, 63835), (459, 41305), (495, 38301), (561, 33795), (751, 25245), (765, 24783), (935, 20277), (1485, 12767), (1683, 11265), (2253, 8415), (2295, 8261), (2805, 6759), (3755, 5049)]