19201635

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 34673184

約数和(自身を除く): 15471549

約数列:

[1, 3, 5, 9, 15, 45, 53, 83, 97, 159, 249, 265, 291, 415, 477, 485, 747, 795, 873, 1245, 1455, 2385, 3735, 4365, 4399, 5141, 8051, 13197, 15423, 21995, 24153, 25705, 39591, 40255, 46269, 65985, 72459, 77115, 120765, 197955, 231345, 362295, 426703, 1280109, 2133515, 3840327, 6400545, 19201635]

約数ペア:

[(1, 19201635), (3, 6400545), (5, 3840327), (9, 2133515), (15, 1280109), (45, 426703), (53, 362295), (83, 231345), (97, 197955), (159, 120765), (249, 77115), (265, 72459), (291, 65985), (415, 46269), (477, 40255), (485, 39591), (747, 25705), (795, 24153), (873, 21995), (1245, 15423), (1455, 13197), (2385, 8051), (3735, 5141), (4365, 4399)]