19111428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 55648320

約数和(自身を除く): 36536892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 419, 543, 724, 838, 1086, 1257, 1267, 1629, 1676, 2172, 2514, 2534, 2933, 3258, 3771, 3801, 5028, 5068, 5866, 6516, 7542, 7602, 8799, 11403, 11732, 15084, 15204, 17598, 22806, 26397, 35196, 45612, 52794, 75839, 105588, 151678, 227517, 303356, 455034, 530873, 682551, 910068, 1061746, 1365102, 1592619, 2123492, 2730204, 3185238, 4777857, 6370476, 9555714, 19111428]

約数ペア:

[(1, 19111428), (2, 9555714), (3, 6370476), (4, 4777857), (6, 3185238), (7, 2730204), (9, 2123492), (12, 1592619), (14, 1365102), (18, 1061746), (21, 910068), (28, 682551), (36, 530873), (42, 455034), (63, 303356), (84, 227517), (126, 151678), (181, 105588), (252, 75839), (362, 52794), (419, 45612), (543, 35196), (724, 26397), (838, 22806), (1086, 17598), (1257, 15204), (1267, 15084), (1629, 11732), (1676, 11403), (2172, 8799), (2514, 7602), (2534, 7542), (2933, 6516), (3258, 5866), (3771, 5068), (3801, 5028)]