19594275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 34831104

約数和(自身を除く): 15236829

約数列:

[1, 3, 5, 15, 23, 25, 37, 69, 75, 111, 115, 185, 307, 345, 555, 575, 851, 921, 925, 1535, 1725, 2553, 2775, 4255, 4605, 7061, 7675, 11359, 12765, 21183, 21275, 23025, 34077, 35305, 56795, 63825, 105915, 170385, 176525, 261257, 283975, 529575, 783771, 851925, 1306285, 3918855, 6531425, 19594275]

約数ペア:

[(1, 19594275), (3, 6531425), (5, 3918855), (15, 1306285), (23, 851925), (25, 783771), (37, 529575), (69, 283975), (75, 261257), (111, 176525), (115, 170385), (185, 105915), (307, 63825), (345, 56795), (555, 35305), (575, 34077), (851, 23025), (921, 21275), (925, 21183), (1535, 12765), (1725, 11359), (2553, 7675), (2775, 7061), (4255, 4605)]