19514385

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 40124160

約数和(自身を除く): 20609775

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, 765, 773, 935, 1485, 1683, 2295, 2319, 2805, 3865, 5049, 6957, 8415, 8503, 11595, 13141, 20871, 25245, 25509, 34785, 39423, 42515, 65705, 76527, 104355, 118269, 127545, 144551, 197115, 229581, 354807, 382635, 433653, 591345, 722755, 1147905, 1300959, 1774035, 2168265, 3902877, 6504795, 19514385]

約数ペア:

[(1, 19514385), (3, 6504795), (5, 3902877), (9, 2168265), (11, 1774035), (15, 1300959), (17, 1147905), (27, 722755), (33, 591345), (45, 433653), (51, 382635), (55, 354807), (85, 229581), (99, 197115), (135, 144551), (153, 127545), (165, 118269), (187, 104355), (255, 76527), (297, 65705), (459, 42515), (495, 39423), (561, 34785), (765, 25509), (773, 25245), (935, 20871), (1485, 13141), (1683, 11595), (2295, 8503), (2319, 8415), (2805, 6957), (3865, 5049)]