19669712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 20952688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 727, 1424, 1454, 1691, 2908, 3382, 5816, 6764, 11632, 13528, 13813, 27056, 27626, 55252, 64703, 110504, 129406, 221008, 258812, 517624, 1035248, 1229357, 2458714, 4917428, 9834856, 19669712]

約数ペア:

[(1, 19669712), (2, 9834856), (4, 4917428), (8, 2458714), (16, 1229357), (19, 1035248), (38, 517624), (76, 258812), (89, 221008), (152, 129406), (178, 110504), (304, 64703), (356, 55252), (712, 27626), (727, 27056), (1424, 13813), (1454, 13528), (1691, 11632), (2908, 6764), (3382, 5816)]