19456245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 36981360

約数和(自身を除く): 17525115

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 877, 1305, 1479, 2465, 2631, 4385, 4437, 7395, 7893, 13155, 14909, 22185, 25433, 39465, 44727, 74545, 76299, 127165, 134181, 223635, 228897, 381495, 432361, 670905, 1144485, 1297083, 2161805, 3891249, 6485415, 19456245]

約数ペア:

[(1, 19456245), (3, 6485415), (5, 3891249), (9, 2161805), (15, 1297083), (17, 1144485), (29, 670905), (45, 432361), (51, 381495), (85, 228897), (87, 223635), (145, 134181), (153, 127165), (255, 76299), (261, 74545), (435, 44727), (493, 39465), (765, 25433), (877, 22185), (1305, 14909), (1479, 13155), (2465, 7893), (2631, 7395), (4385, 4437)]