19561308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3446

約数の個数: 48

約数和(自身を含む): 50497440

約数和(自身を除く): 30936132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3389, 5772, 6778, 10167, 13556, 20334, 40668, 44057, 88114, 125393, 132171, 176228, 250786, 264342, 376179, 501572, 528684, 752358, 1504716, 1630109, 3260218, 4890327, 6520436, 9780654, 19561308]

約数ペア:

[(1, 19561308), (2, 9780654), (3, 6520436), (4, 4890327), (6, 3260218), (12, 1630109), (13, 1504716), (26, 752358), (37, 528684), (39, 501572), (52, 376179), (74, 264342), (78, 250786), (111, 176228), (148, 132171), (156, 125393), (222, 88114), (444, 44057), (481, 40668), (962, 20334), (1443, 13556), (1924, 10167), (2886, 6778), (3389, 5772)]