19413513

素因数分解:

$3^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 33860736

約数和(自身を除く): 14447223

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 113, 189, 243, 303, 339, 567, 707, 791, 909, 1017, 1701, 2121, 2373, 2727, 3051, 6363, 7119, 8181, 9153, 11413, 19089, 21357, 24543, 27459, 34239, 57267, 64071, 79891, 102717, 171801, 192213, 239673, 308151, 719019, 924453, 2157057, 2773359, 6471171, 19413513]

約数ペア:

[(1, 19413513), (3, 6471171), (7, 2773359), (9, 2157057), (21, 924453), (27, 719019), (63, 308151), (81, 239673), (101, 192213), (113, 171801), (189, 102717), (243, 79891), (303, 64071), (339, 57267), (567, 34239), (707, 27459), (791, 24543), (909, 21357), (1017, 19089), (1701, 11413), (2121, 9153), (2373, 8181), (2727, 7119), (3051, 6363)]